Accumulated Other Comprehensive Income (Loss) [Table] Schedule of changes in accumulated other comprehensive income Disclosure of information about components of accumulated other comprehensive income (loss). Schedule of changes in accumulated other comprehensive income Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Accumulated Other Comprehensive Income Accumulated Other Comprehensive Income (Loss) Net of Tax [Roll Forward] Changes in accumulated other comprehensive income Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Other comprehensive income before reclassifications Other comprehensive income before reclassifications Amount after tax, before reclassification adjustments of other comprehensive income (loss). Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Amounts reclassified from accumulated other comprehensive income Amounts reclassified from accumulated other comprehensive income Amount after tax of reclassification adjustments of other comprehensive income (loss). Performance Share 2010 Plan [Member] 2010 performance share Represents the 2010 performance share plan of the reporting entity. Award Type [Axis] Performance Share 2011 Plan [Member] 2011 performance share Represents the 2011 performance share plan of the reporting entity. Document and Entity Information Represents the increase (decrease) in the fair value of the liability arising from an item of contingent consideration assumed in a business acquisition. Net change in contingent consideration obligation Fair market value adjustments to contingent consideration included in net income Business Combination, Contingent Consideration Arrangements, Change in Fair Value of Contingent Consideration, Liability Fair value adjustment to contingent consideration included in net income Fair value adjustment to contingent consideration obligation included in net income Interest and Other Expenses Interest expense and other expense Represents interest expenses incurred and also consists of expenses on account of lease financing obligation and expenses related to currency fluctuations related to settlement of our customer account sales. Amendment Description Depreciation Depletion and Amortization Excluding Bond Premiums Depreciation and amortization expense The aggregate expense, excluding amortization of bond premium, recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets. Amendment Flag Leased Facility Accrued Noncash Interest Non-cash interest on leased facility Represents the non cash portion of interest on leased facility and obligations incurred by the entity during the reporting period. Increase (Decrease) in Business Combination, Contingent Consideration, Arrangements, Change in Amount of Contingent Consideration Contingent consideration obligation The increase (decrease) during the period in the net change of the contingent consideration liability recognized as a part of a business combination. Lease obligation The net change in the current portion of obligations payable under the long term capital lease. Increase (Decrease) in Lease Obligation Payments on contingent consideration obligation Payments on Contingent Consideration Represents the cash outflow for payment of contingent consideration by the entity during the reporting period. Proceeds from Issuance Secondary Public Offering Proceeds from secondary public offering, net of offering costs The cash inflow associated with the amount received from entity's second offering of stock to the public. Noncash Increase in Building and Related Lease Liability Non-cash increase in building and related lease liability The net increase in lease related liability that was incurred in a non cash or partial non cash transaction. All Countries [Domain] Issuance of common stock in connection with settlement of contingent consideration Issuance of Common Stock in Connection with Settlement of Contingent Consideration Represents value of shares issued as [noncash or part noncash] consideration for a business or asset acquired. Noncash is defined as transactions during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. Arrangements and Non-arrangement Transactions [Domain] Issuance of Common Stock in Connection with Acquisition Issuance of common stock in connection with the acquisition The fair value of common stock issued in connection with the acquisition forming part of non cash transactions. Description of Business Share Based Payments and Treasury Stock Disclosure [Text Block] Stockholders' Equity The entire disclosure for compensation-related costs for equity-based compensation which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details, and employee stock purchase plan details. Also includes disclosure of stock repurchase programs leading to Treasury Stock. Legal Matters Miyowa SA [Member] Miyowa Represents Miyowa S.A., an acquisition of the entity. Schedule of Acquisition Related Costs and Contingent Consideration Costs [Table Text Block] Tabular disclosure of acquisition-related costs, change in the fair value of contingent consideration and acquisition-related contingent consideration to be paid to existing employees of acquired entity. Schedule of acquisition-related costs and the fair value change in contingent consideration recognized Schedule of Business Acquisition, Cost of Acquired Entity Purchase Price [Table Text Block] Tabular disclosure of the components of the purchase price of the acquisition. Summary of purchase price Amount of Dilutive Securities Contingently Issuable Shares The income effect resulting from the "as if" assumption that contingently issuable shares are issued for purposes of computing the net income applicable to shares of common stock for earnings per share. Income effect for equity mark-to-market on contingent consideration obligation, net of tax FusionOne Inc. Represents FusionOne Inc., an acquisition of the entity. Fusion One Incorporated [Member] Current Fiscal Year End Date Assets and Liabilities Fair Value Disclosure [Abstract] Summary of assets and liabilities held by the Company and their related classifications under the fair value hierarchy Certificates of Deposit Municipal and Corporate Bonds Enhanced Income Funds Certificates of deposit, municipal bonds and corporate bonds The value of certificates of deposit, municipal and corporate bonds and enhanced income money market funds which are classified as marketable securities. Available for Sale Securities, Gross Unrealized Gain [Abstract] Aggregate Amount of Unrealized Gains Due in one year or less Available for Sale Securities, Gross Unrealized Gain, Debt Maturities within One Year Represents the gross unrealized gains for debt securities, which are expected to mature within one year of the balance sheet date, at a point in time, which are categorized neither as held-to-maturity nor trading securities. Available for Sale Securities, Gross Unrealized Gain, Debt Maturities after One Through Five Years Due after one year, less than five years Represents the gross unrealized gains for debt securities, which are expected to mature after one year and through five years from the balance sheet date, at a point in time, which are categorized neither as held-to-maturity nor trading securities. Available for Sale Securities, Gross Unrealized Losses [Abstract] Aggregate Amount of Unrealized Losses Available for Sale Securities, Gross Unrealized Losses, Debt Maturities within One Year Due in one year or less Represents the gross unrealized losses for debt securities, which are expected to mature within one year of the balance sheet date, at a point in time, which are categorized neither as held-to-maturity nor trading securities. Available for Sale Securities, Gross Unrealized Losses, Debt Maturities after One Through Five Years Due after one year, less than five years Represents the gross unrealized losses for debt securities which are expected to mature after one year and through five years from the balance sheet date, at a point in time, which are categorized neither as held-to-maturity nor trading securities. Represents the amount of cash paid in settlement of a liability for contingent consideration assumed in a business combination. Cash paid under agreement to former FusionOne employees Business Acquisition, Contingent Consideration Settlement, Cash Paid Completion of Earn Out Milestones Cash Paid Cash paid to the former SKS stock-holders and employees at the completion of the earn-out-milestones Represents the amount of cash paid at the completion of earn-out-milestones. Represents the number of shares issued in settlement of a liability for contingent consideration assumed in a business combination. Shares issued under agreement to FusionOne equity holders (in shares) Business Acquisition, Contingent Consideration Settlement, Shares Issued Document Period End Date Sapience Knowledge Systems, Inc. (SKS) Sapience Knowledge Systems Incorporated [Member] Represents Sapience Knowledge Systems, Inc. (SKS), an acquisition of the entity. Business Combination, Contingent Consideration Arrangements, Contingent Consideration Liability Adjustment for Earnings Represents the adjustment to the liability arising from an item of contingent consideration assumed in a business acquisition resulting from earnings during the period. Earn-out compensation due to SpeechCycle employees Represents the purchase price adjustment for the liability arising from an item of contingent consideration assumed in a business acquisition. Addition of Earn-out Business Combination, Contingent Consideration Arrangements, Contingent Consideration Liability Adjustment Strumsoft Incorporated [Member] Represents certain assets and workforce of Strumsoft, Inc. that were acquired by the entity. Certain assets and workforce of Strumsoft, Inc. Acquisition Related Costs and Contingent Consideration Costs [Abstract] Summary of acquisition related costs Total Acquisition Related Costs and Contingent Consideration Costs Represents the cost related to acquisition and contingent consideration incurred to effect a business combination. Potential payments for contingent consideration Business Acquisition Contingent Consideration Potential Payment Represents the potential payments for contingent consideration relating to certain product milestones and operational efficiencies achieved. Amount that could be paid to existing employees Business Acquisition Contingent Consideration Potential Employee Compensation The amount of potential cash payments that could be paid to existing employees of the acquired entity as consideration. Payments to Acquire Businesses on Achievement of Product Milestones Additional payments made, related to certain product milestones achieved Represents additional payments made after the acquisition date, on achievement of product milestones. Business Acquisition, Purchase Price Allocation Current Liabilities Accounts Payable and Accrued Liabilities The amount of acquisition cost of a business combination allocated to accounts payable and accrued liabilities of the acquired entity. Accounts payable and accrued liabilities Business Acquisition Purchase Price Allocation Deferred Income Taxes Liability Deferred tax liability Amount of deferred tax liabilities for the differences between the values assigned and the tax bases of assets and liabilities in a business combination. Business Acquisition, Purchase Price Allocation Assets Acquired Liabilities Assumed Net Excluding Goodwill Represents the net value of assets and liabilities acquired excluding the goodwill. Net identifiable assets acquired Working Capital Deficiency Business Acquisition, Consideration Working Capital Deficiency Represents the deficiency incurred on working capital on acquisition that is adjusted against the total purchase price. Schedule of Share Based Compensation Arrangement by Share Based Payment Award, Award Type [Axis] Pertinent data describing and reflecting required disclosures pertaining to an equity-based compensation arrangement, by award type. Share Based Compensation Arrangements, by Share Based Payment Award, Award Type [Domain] Equity-based compensation award types, including multiple equity-based payment arrangements. Employee Stock Purchase Plan [Member] Employee Stock Purchase Plan Represents the employee Stock Purchase plan of the reporting entity. Allocated Share Based Compensation Expense Per Diluted Share Represents the expense recognized during the period arising from equity-based compensation arrangements per diluted share. Stock-based compensation expense per diluted share (in dollars per share) Shares Available for Grant Share Based Compensation Arrangement by Share Based Payment Award, Number of Shares Available for Grant [Roll Forward] GERMANY Germany Share Based Compensation, Arrangement by Share Based Payment, Award, Options, Forfeitures Qualifying for Reissuance as New Grants The number of shares under options that were forfeited during the reporting period and that qualify for use as new grants. Options forfeited (in shares) Share Based Compensation Arrangement by Share Based Payment Award, Equity Instruments Other than Options Grants and Forfeitures in Period Represents the number of equity instruments other than options granted and forfeited during the period. Net Restricted stock granted and forfeited (in shares) Share Based Compensation, Arrangement by Share Based Payment, Award, Range of Shares Available for Potential Issuance Represents the range of shares that could potentially be issued from the pool of shares reserved for issuance. Restricted stock reserved for grant (in shares) Restricted stock reserved for grant (in shares) Additional shares reserved for grant Option Exercise Price per Share Range Share Based Compensation Shares Authorized under Stock Option Plans Exercise Price Per Share Range [Abstract] Share Based Compensation Arrangement by Share Based Payment Award Options Weighted Average Remaining Contractual Term [Abstract] Weighted-Average Remaining Contractual Term Share Based Compensation Arrangement by Share Based Payment Award Aggregate Intrinsic Value [Abstract] Aggregate Intrinsic Value Available-for-sale Securities, Gross Unrealized Gains Total Share Based Compensation Arrangement by Share Based Payment Award, Options Outstanding, Option Exercise Price Balance at the beginning of the period (in dollars per share) Exercise price as of the balance sheet date for shares potentially issuable under outstanding stock option awards on all stock option plans. Balance at the end of the period (in dollars per share) ESTONIA Estonia Share Based Compensation Arrangement by Share Based Payment Award, Options Grants in Period, Option Exercise Price Options granted (in dollars per share) Exercise price of shares granted during the period and outstanding under all stock option plans. Share Based Compensation Arrangement by Share Based Payment Award Options Exercises in Period Option Exercise Price Options exercised (in dollars per share) The exercise price per option at which option holders acquired shares when converting their stock options into shares under the plan during the reporting period. Options forfeited (in dollars per share) The exercise price per option at which grantees could have acquired the underlying shares with respect to stock options that were terminated during the reporting period due to noncompliance with plan terms during the reporting period. Share Based Compensation Arrangement by Share Based Payment Award, Options Forfeitures in Period, Option Exercise Price Share Based Compensation Arrangement by Share Based Payment Award, Options Weighted Average Exercise Price [Abstract] Weighted-Average Exercise Price Share Based Compensation Arrangement by Share Based Payment Award Equity Awards Granted to Number of Participant Own More Than Five Percent of Total Combined Voting Power Number of participants who hold more than 5% of the total combined voting power Represents the number of participants who held more than 5 percentage of the total combined voting power of the entity to whom equity awards were granted. Share Based Compensation Arrangement by Share Based Payment Award Number of Employee Purchased More Than One Share Per Period Participants who may purchase more than one share of common stock within any purchase period Represents the number of participants or employees who may purchase more than one share under the plan per period. Term of Employee Stock Purchase Plan Term of Employee Stock Purchase Plan Represents the term of Employee Stock Purchase Plan to all active employees. The period of time that employees participate through payroll withholdings in the Employee Stock Purchase Plan. Employee Stock Purchase Plan Payroll Withholding Period Employee Stock Purchase Plan Payroll Withholding Period Employee Stock Purchase Plan Participation Period Participation period of Employee Stock Purchase Plan Represents the participation period of Employee Stock Purchase Plan. Percentage of Fair Market Value of Common Stock Percentage of fair market value of common stock Represents the percentage of fair market value of common stock on the first day of the offering period. Percentage Maximum of Total Combined Voting Power Participant Allowed to be Granted Right to Purchase Common Stock Maximum Percentage of total combined voting power a participant is allowed to be granted a right to purchase common stock Represents the maximum percentage of total combined voting power a participant is allowed to be granted a right to purchase common stock. Speech Cycle, Inc [Member] Speech Cycle Represents SpeechCycle, Inc., an acquisition of the entity. Stock Repurchase Program, Period in Force, in Months The number of months over which shares may be purchased under a stock repurchase plan authorized by an entity's Board of Directors. Duration of repurchase program Recent Accounting Pronouncements UNITED KINGDOM United Kingdom Earn Out Shares Value Issuable Earn-Out shares issuable This item represents Earn-out shares issuable Number of earn-out shares issuable during the period. Earn Out Shares Shares Issuable Earn-out shares issuable (in shares) Issuance Value of Earn Out Shares Issuance of Earn-Out shares This item represents Issuance of Earn-Out shares Issuance Shares of Earn Out Shares Issuance of Earn-Out shares (in shares) Number of earn-out shares issued during the period. Capital Structure Capital Transactions Disclosure [Text Block] Capital Structure Disclosure of information about the entity's common and preferred stock. Capital Lease Agreement Term Lease term under agreement The term of the lease agreement entered into by the reporting entity with the lessor. Number of consecutive lease term extensions The number of consecutive extensions to the lease term entered into by the reporting entity with the lessor. Number of Consecutive Lease Term Extensions Capital Lease Agreement Term Extension Period Period of extension of lease term The period by which the lease term under the agreement may be extended. Finite Lived Intangible Assets Estimated Future Annual Amortization Expense The estimated annual amortization expense for succeeding fiscal years for intangible assets subject to amortization. Approximate annual amortization expense for intangible assets for fiscal years 2011 through 2015 Service Level Standards [Policy Text Block] Service Level Standards Disclosure of the accounting policy for service revenue subject to service level standards and corresponding penalties for failure to meet those standards. Concentration Risk Credit Risk [Policy Text Block] Concentration of Credit Risk Disclosure of accounting policy for concentrations of credit risk, including those related to cash and cash equivalents, marketable securities, accounts receivable and customers. Represents the transaction and subscription service arrangements related principally to processing of transactions through the Company's service platforms and providing enterprise portal management services and maintenance agreements on software license. Transaction and Subscription Service Arrangements [Member] Transaction and Subscription Service Arrangements Represents the professional service and software license arrangements wherein revenue is recognized when the services are performed or license is delivered to customers and all other elements of revenue recognition have been satisfied. Professional Service and Software License Arrangements [Member] Professional Service and Software License Arrangements Summary of Significant Accounting Policies Software License Arrangements [Member] Software License Arrangements Represents the software license arrangements, wherein revenue is recognized when the license is delivered to its customers. Transaction Service Arrangements Represents the transaction service arrangements, which include services such as processing equipment orders, new account set-up and activation, number port requests, credit checks and inventory management. Transaction Service Arrangements [Member] Entity Well-known Seasoned Issuer Represents the subscription service arrangements related principally to the Company's enterprise portal management services and maintenance agreements on software license. Subscription Service Arrangements [Member] Subscription Service Arrangements Entity Voluntary Filers Percentage of individual arrangement revenue to net revenues Represents the revenue from individual arrangement as a percentage of the aggregate net revenues earned by the entity during the reporting period. Revenue Recognition Multiple Deliverable Arrangements Percentage of Individual Arrangement Revenue to Net Revenues Entity Current Reporting Status Cash Equivalents Original Maturity Period Maximum Maximum time period for which an investment is considered a cash equivalent Represents the maximum original maturity period of investments classified as cash equivalents. Entity Filer Category Top Five Customers [Member] Represents the top five customers of the entity. Top five customers Entity Public Float AT and T Inc [Member] Represents AT&T Inc., a major customer of the entity. AT&T Inc. Entity Registrant Name Verizon Wireless Represents Verizon Wireless, major customers of the entity. Verizon Wireless [Member] Entity Central Index Key Time Warner Cable [Member] Time Warner Cable Represents Time Warner Cable, major customers of the entity. Concentration Risk, Credit Risk Financial Instrument Denominations for Excess Cash Deposits The amount of excess cash in high-quality financial instruments that may be deposited at any given time with one financial institution. Interest bearing accounts Number of Top Customers Number of top customers The number of top customers of the reporting entity. Marketable Securities, Fixed Income, Investments Maturity Period Represents the maturity period of fixed income investments under marketable securities. Maturity period of fixed income investments Entity Common Stock, Shares Outstanding IRELAND Ireland Represents the maturity period of marketable securities to be classified as long-term. Marketable Securities, Maturity Period Maturity period of marketable securities to be classified as long-term Estimated minimum useful life of software development costs Represents the minimum useful life of capitalized software development costs. Capitalized Computer Software Useful Life Minimum Estimated maximum useful life of software development costs Represents the maximum useful life of capitalized software development costs. Capitalized Computer Software Useful Life Maximum INDIA India Unrecognized tax benefit reserves including interest related to uncertain positions Unrecognized Tax Benefit Reserves Including Interest Related to Uncertain Positions The amount of unrecognized tax benefit reserves including interest relating to uncertain tax positions. Unrecognized Tax Benefits, Noncurrent that Would Impact Effective Tax Rate The noncurrent portion of unrecognized tax benefits that, if recognized, would affect the effective tax rate. Long-term liability for unrecognized tax benefits that would reduce the effective tax rate if recognized Unrecognized Tax Benefits, Interest on Income Taxes, Accrued Period Increase (Decrease) Net decrease for interest benefit Represents the increase (decrease) in interest benefit on unrecognized tax benefits. Unrecognized Tax Benefits, Current that Would Impact Effective Tax Rate The current portion of unrecognized tax benefits that, if recognized, would affect the effective tax rate. Short-term liability for unrecognized tax benefits that would reduce the effective tax rate if recognized Accounts Payable and Accrued Liabilities Disclosure [Text Block] Accrued Expenses Performance Award [Member] Performance award Performance award given by a company to their employees as a form of incentive compensation. Number of Stock Based Compensation Plans Number of stock-based compensation plans The number of share-based compensation plans maintained by the reporting entity as of the balance sheet date. Number of stock incentive plans Number of Businesses Entity is Managed and Operated as Number of businesses the entity is managed and operated as The number of businesses the entity is being managed and operated as. Accrued Third Party Processing Fee, Current Accrued third party processing fees Carrying value as of the balance sheet date of obligations incurred through that date and payable for third party processing fees. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Capital Stock Shares Authorized Authorized capital stock (in shares) The maximum number of shares of the total capital stock permitted to be issued by an entity's charter and bylaws. Face amount or stated value of capital stock per share; generally not indicative of the fair market value per share. Par value per share of capital stock (in dollars per share) Capital Stock Par or Stated Value Per Share Stock incentive, 2000 Plan Stock Incentive 2000 Plan [Member] Represents the 2000 stock incentive plan of the reporting entity. Represents the 2006 stock incentive plan of the reporting entity. Stock incentive, 2006 Plan Stock Incentive 2006 Plan [Member] Stock Incentive 2010 Plan [Member] Represents the 2010 stock incentive plan of the reporting entity. Stock incentive, 2010 Plan Number of votes per share Represents the number of votes available for each share held. Number of Votes Per Share Document Fiscal Year Focus Stock Incentive 2000 and 2006 Plan [Member] Represents the 2000 and 2006 stock incentive plan of the reporting entity. Stock incentive 2000 and 2006 plan Document Fiscal Period Focus Share Based Compensation Arrangement by Share Based Payment Award, Additional Number of Shares Reserved for Plan Represents the number of additional shares reserved for the plan during the reporting period. Expansion of pool (in shares) Share Based Compensation Arrangement by Share Based Payment Award, Options Vested and Expected to Vest, Outstanding Option Exercise Price Expected to vest (in dollars per share) As of the balance sheet date, the exercise price per option (at which grantees can acquire the shares reserved for issuance) for exercisable stock options that are fully vested or expected to vest. Share Based Compensation Arrangement by Share Based Payment Award, Issue Price as Percentage of Grant Date Fair Market Value, Minimum Minimum price at which interest can be acquired as a percentage of grant date fair market value The minimum price for acquiring additional proprietary interest as a percentage of the grant date fair market value. Share Based Compensation Arrangement by Share Based Payment Award, Exercisable Options as Percentage of Shares Subject to Vesting Percentage of exercisable options to shares subject to vesting Represents the exercisable options expressed as a percentage of shares subject to vesting after the date of grant. Represents the percentage of options vesting on the first year anniversary of the date of grant. Share Based Compensation Arrangement by Share Based Payment Award, Percentage of Options Vesting on First Anniversary of Grant Date Percentage of options vesting on first year anniversary of the date of grant Portion of options vesting monthly subsequent to initial vesting Represents the portion of options vesting monthly subsequent to the initial vesting on anniversary date from date of grant. Share Based Compensation Arrangement by Share Based Payment Award, Monthly Portion of Options Vesting, Thereafter Represents the percentage of options vesting on the second year anniversary of the date of grant. Share Based Compensation Arrangement by Share Based Payment Award, Percentage of Options Vesting on Second Anniversary of Grant Date Percentage of options vesting on Second year anniversary of date of grant Share Based Compensation Arrangement by Share Based Payment Award, Equity Awards Granted Number of Newly Hired Employees Number of newly hired employees to whom equity awards were granted Represents the number of newly hired employees to whom equity awards were granted. Number of newly appointed executive officers to whom equity awards were granted Represents the number of newly appointed executive officers to whom equity awards were granted. Share Based Compensation Arrangement by Share Based Payment Award, Equity Awards Granted Number of Newly Appointed Executive Officers Vested or expected to vest Share Based Compensation Arrangement by Share Based Payment Award, Options Vested in Period, Total Intrinsic Value As of the balance sheet date, the total dollar difference between fair values of the underlying shares reserved for issuance and exercise prices of vested options outstanding. Aggregate intrinsic value of options vested Total fair value of vested options Share Based Compensation Arrangement by Share Based Payment Award, Options Vested in Period Total Fair Value The total fair value of options awarded for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or cash in accordance with the terms of the arrangement. The weighted-average fair value of nonvested options for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units. Share Based Compensation Arrangement by Share Based Payment Award, Options, Nonvested Weighted Average Grant Date Fair Value Weighted-average fair value of non-vested options (in dollars per share) Document Type The weighted-average fair value as of grant date pertaining to an stock option-based award plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement. Share Based Compensation Arrangement by Share Based Payment Award, Options Vested in Period, Weighted Average Grant Date, Fair Value Weighted-average fair value (as of date of grant) of options vested (in dollars per share) The weighted-average fair value as of the grant date of stock option-based award plans that were not exercised or put into effect during the reporting period as a result of the occurrence of a terminating event specified in the contractual agreement of the plan. Share Based Compensation Arrangement by Share Based Payment Award, Options Forfeited in Period, Weighted Average Grant Date Fair Value Weighted-average fair value (as of date of grant) of options forfeited (in dollars per share) Represents the options treated as non-qualified since inception, after amendment to the stock option plans by the board of directors. Share Based Compensation Arrangement by Share Based Payment Award, Plan Modification Non Qualified Options Options treated as non-qualified since inception, after amendments to stock option plans (in shares) $0.29 - $ 5.50 Exercise Price Range Between 0.29 to 5.50 [Member] Represents the exercise price range between 0.29 to 5.50 dollars per share. Accounts Receivable, Net, Current Accounts receivable, net of allowance for doubtful accounts of $372 and $258 at June 30, 2013 and December 31, 2012, respectively Accounts receivable $5.51 - $11.00 Exercise Price Range Between 5.51 to 11.00 [Member] Represents the exercise price range between 5.51 to 11.00 dollars per share. Represents the exercise price range between 11.01 to 16.50 dollars per share. $11.01 - $16.50 Exercise Price Range Between 11.01 to 16.50 [Member] Exercise Price Range Between 16.51 to 22.00 [Member] Represents the exercise price range between 16.51 to 22.00 dollars per share. $16.51 - $22.00 Exercise Price Range Between 22.01 to 27.50 [Member] Represents the exercise price range between 22.01 to 27.50 dollars per share. $22.01 - $27.50 Represents the exercise price range between 27.51 to 33.00 dollars per share. $27.51 - $33.00 Exercise Price Range Between 27.51 to 33.00 [Member] Represents the exercise price range between 33.01 to 38.50 dollars per share. $33.01 - $38.50 Exercise Price Range Between 33.01 to 38.50 [Member] $38.51 - $44.00 Exercise Price Range Between 38.51 to 44.00 [Member] Represents the exercise price range between 38.51 to 44.00 dollars per share. Exercise Price Range Between 0.29 to 9.93 [Member] $0.29 - $ 9.93 Represents the exercise price range between 0.29 dollars to 9.93 dollars per share. Exercise Price Range Between 10.04 to 14.00 [Member] $10.04 - $ 14.00 Represents the exercise price range between 10.04 dollars to 14.00 dollars per share. Exercise Price Range Between 15.89 to 20.71 [Member] $15.89 - $ 20.71 Represents the exercise price range between 15.89 dollars to 20.71 dollars per share. Exercise Price Range Between 20.91 to 24.46 [Member] $20.91 - $ 24.46 Represents the exercise price range between 20.91 dollars to 24.46 dollars per share. Exercise Price Range Between 26.83 to 27.92 [Member] $26.83 - $ 27.92 Represents the exercise price range between 26.83 dollars to 27.92 dollars per share. Exercise Price Range Between 28.46 to 30.41 [Member] $28.46 - $ 30.41 Represents the exercise price range between 28.46 dollars to 30.41 dollars per share. Exercise Price Range Between 30.50 to 30.50 [Member] $30.50- $ 30.50 Represents the exercise price range between 30.50 dollars to 30.50 dollars per share. Exercise Price Range Between 31.71 to 38.62 [Member] $31.71 - $ 38.62 Represents the exercise price range between 31.71 dollars to 38.62 dollars per share. Share Based Compensation Arrangement by Share Based Payment Award, Options Outstanding [Abstract] Outstanding Exercisable Share Based Compensation Shares Authorized under Stock Option Plans Exercise Price Range Exercisable Options [Abstract] Schedule of Classification of Deferred Tax Assets and Liabilities [Table Text Block] Schedule of classification of net deferred income taxes Tabular disclosure of classification of deferred tax assets and liabilities recognized in the entity's statement of financial position. Effective Income Tax Rate, Business Acquisition, Contingent Consideration, Fair Market Value Adjustments The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate attributable to differences in the deductibility or non-deductibility of fair market value adjustments on business acquisition contingent consideration potential payments in accordance with generally accepted accounting principles and enacted tax laws. Fair market value adjustment on Earn-out (as a percent) Effective Income Tax Rate Reconciliation Federal Net Operating Losses Federal net operating losses (as a percent) The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate attributable to federal net operating losses. Schedule reflecting pertinent information of income from operations before income taxes Income Tax [Table] Country [Axis] Represents the different countries in which the entity operates. Income Tax [Line Items] Components of income by location Deferred Tax Assets, Fixed and Intangible Assets The tax effect as of the balance sheet date of the amount of the estimated future tax deductions attributable to different capitalization of costs, depreciation, or amortization methodologies of fixed and intangible assets related items which can only be realized if sufficient taxable income is generated in future periods to enable the deduction to be taken. Fixed assets and intangible assets Accounts Payable, Current Accounts payable Deferred Tax Assets (Liabilities) Gross, Current For entities that net deferred tax assets and tax liabilities, represents the current portion of net amount of deferred tax assets and liabilities before reduction of valuation allowance. Current deferred tax assets Deferred Tax Assets (Liabilities) Gross, Noncurrent For entities that net deferred tax assets and tax liabilities, represents the noncurrent portion of net amount of deferred tax assets and liabilities before reduction of valuation allowance. Non-current deferred tax assets Tabular disclosure of future minimum payments required in the aggregate and for each of the five succeeding fiscal years for capital and operating leases having initial or remaining non-cancelable lease terms in excess of one year and the total minimum rentals to be received in the future under noncancelable subleases as of the balance sheet date. Schedule of aggregate annual future minimum lease payments under non-cancellable leases Schedule of Future Minimum Rental Payments for Capital and Operating Leases [Table Text Block] Operating Leases, Future Minimum Payments Due in Five Years and Thereafter For leases having an initial or remaining non-cancelable letter-terms in excess of one year, required rental payments due within and after the fifth year of the balance sheet date relating to leases defined as operating. 2017 and thereafter Goodwill Reclassifications Adjustments and Other Represents the amount of reclassifications, adjustments and other changes, during the reporting period in the carrying value of goodwill. Reclassifications, adjustments and other Acquired in a business combination or other transaction, a customer list that consists of information about customers such as their name and contact information; it may also be an extensive data base that includes other information about the customers such as their order history and demographic information. An asset acquired in a business combination representing a customer relationship that exists between the entity and its customer if (a) the entity has information about the customer and has regular contact with the customer and (b) the customer has the ability to make direct contact with the entity. Such assets would include tenant relationships obtained through acquisition, unless otherwise included in acquired in-place leases. Customer Lists and Relationships [Member] Customer lists and relationships Capitalized Software and Patents [Member] Capitalized software and patents Represents the capitalized costs of purchased software applications and the exclusive legal right granted by the government to the owner of the patent to exploit an invention or a process for a period of time specified by law. Represents the minimum number of Fortune 500 companies included in the consumer and business customers of the entity. Minimum Number of Fortune 500 Companies Included in Service Utilizers Minimum number of Fortune 500 companies included in consumer and business customers Infringement of patents Represents the contingencies related to a third party's asserted infringement of patents by the entity. Infringement of Patents [Member] Represents the number of patents that third party is asserting infringement on. Infringement of Patent Number Number of patents on which third party is asserting infringement Accounts Receivable [Member] Accounts receivable Shares available for grant exercised Shares available for grant exercised Share Based Compensation Arrangement by Share Based Payment Award, Options Exercised Number of share options (or share units) available for grant exercised during the current period. Options exercised (in shares) Business Acquisition Payment to Acquire Shares and Warrants Cash consideration for purchase of shares and warrants Represents the cash outflow for the acquisition of shares and warrants in business combination. Business Acquisition Surplus Payment for Working Capital Cash consideration estimated surplus working capital Represents the cash outflow for the estimated surplus working capital in business combination. Business Acquisition Cost of Acquired Entity Consideration Working Capital Surplus Represents the cash outflow for the estimated surplus working capital in business combination. Cash consideration estimated surplus working capital Working Capital Surplus Business Acquisition Cost of Acquired Entity Including Working Capital Surplus Total cash consideration including working capital surplus Represents the total cash consideration including working capital surplus. Expected Period in which to Finalize Purchase Price Allocation The expected period of time to finalize the purchase price allocation. Expected period of time to finalize the purchase price allocation Share Based Compensation Arrangement by Share Based Payment Award Employee Stock Purchase Plan [Abstract] Employee Stock Purchase Plan Represents information pertaining to the acquisition of Spatial Systems Nominees PTY LTD (Spatial). Spatial Systems Nominees P T Y Limited [Member] Spatial Systems Nominees PTY LTD (Spatial) SpatialInfo Oakland [Member] Oakland Represents information pertaining to the acquisition of Oakland. Professional Service Arrangements [Member] Professional Service Arrangements Represents the professional service arrangements, which include process and workflow consulting services and development services. Unrecognized Tax Benefits Noncurrent Reduction in Effective Tax Rate Reduction in the effective tax rate on long-term liability for unrecognized tax benefits, if recognized Represents the noncurrent portion of unrecognized tax benefits that reduces the effective tax rate, if recognized. Newbay Software Limited [Member] Newbay Represents information pertaining to the acquisition of Newbay Software Limited (Newbay). Business Acquisition Cost of Acquired Entity Closing Adjustment Closing Adjustment Represents the amount paid as a closing adjustment on the acquisition of the entity. Accrued consulting fees Represents the carrying value, as of the balance sheet date, of obligations incurred through that date and payable for consulting services received. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle, if longer). Accrued Consulting Fees, Current Accrued Acquisition Costs, Current Accrued acquisition costs Represents the carrying value, as of the balance sheet date, of obligations incurred through that date and payable for acquisition costs. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle, if longer). Represents the amount of separation costs. Separation costs Separation costs Change in Annual Effective Tax Rate for Next Year Due to Enactment of Tax Law Reduction in 2013 annual effective tax rate (as a percent) Represents the change in annual effective tax rate for the next year due to the enactment of law, expressed as a percentage. Represents the portion considered as purchase price on the basis of the entity's closing stock price per share. Business Acquisition Cost of Acquired Entity Equity Interests Issued and Issuable Portion Considered as Purchase Price Based on Closing Stock Price Portion considered as purchase price based on closing stock price per share Business Acquisition Cost of Acquired Entity Remaining Equity Interests Issued and Issuable Amortization Term Amortization term of remaining value of shares issuable based on service period Represents the amortization term of remaining value of shares issuable based on the service period for recognition as a compensation expense. Basis of Presentation [Line Items] Basis of Presentation Business Acquisition Purchase Price Allocation Adjustment [Abstract] Adjustment to purchase price allocation Schedule of Basis of Presentation [Table] Represents information pertaining to the underlying basis used to prepare the financial statements of the entity. Foreign Exchange Impact of Change in Contingent Consideration Obligation Fx impact of change in contingent consideration obligation The net of tax foreign exchange impact as a result of the change in the obligation for contingent consideration. Accrued Professional Fees, Current Accrued accounting fees UNITED STATES United States Domestic Accrued Income Taxes, Current Accrued income tax payable Accrued Liabilities, Current Accrued expenses Total Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax Translation adjustments Unrealized Holding Gains on Available-for-Sale Securities Accumulated Net Unrealized Investment Gain (Loss) [Member] Accumulated Other Comprehensive Income (Loss) Accumulated Other Comprehensive Income (Loss) [Member] Accumulated Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax Unrealized gain (loss) on securities, (net of tax) Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Less: Accumulated depreciation Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive loss Accumulated Other Comprehensive (Loss) Income Balance at the beginning of the period Balance at the end of the period Foreign Currency Accumulated Translation Adjustment [Member] Acquired Finite-lived Intangible Assets, Weighted Average Useful Life Estimated useful life Weighted-average amortization period Acquired Finite-Lived Intangible Assets [Line Items] Intangible Assets Additional Paid in Capital, Common Stock Additional paid-in capital Additional Paid-in Capital [Member] Additional Paid-In Capital Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net income to net cash provided by operating activities: ESPP compensation Adjustments to Additional Paid in Capital, Share-based Compensation, Employee Stock Purchase Program, Requisite Service Period Recognition Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation Tax benefit from stock option exercise Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition Stock based compensation Allocated Share-based Compensation Expense, Net of Tax After tax stock-based compensation expense Allocated Share-based Compensation Expense Pre-tax stock-based compensation expense recorded Compensation cost Allowance for Doubtful Accounts Receivable, Current Accounts receivable, allowance for doubtful accounts (in dollars) Allowance for Doubtful Accounts [Member] Allowance for doubtful receivables Amortization of Intangible Assets Amortization expense related to currently existing intangible assets Amortization of Acquired Intangible Assets Amortization expense related to the acquired intangible assets Amortization of Debt Discount (Premium) Amortization of bond premium Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Stock options that are anti-dilutive and excluded from calculation of diluted earnings per share (in shares) Assets, Net Fair value of net assets Assets, Current [Abstract] Current assets: Assets [Abstract] ASSETS Assets, Current Total current assets Assets Total assets Available-for-sale Securities, Debt Maturities, Year Two Through Five, Fair Value Due after one year, less than five years Available-for-sale Securities, Debt Maturities, Next Twelve Months, Fair Value Due in one year or less Available-for-sale Securities, Debt Securities Certificates of deposit, municipal bonds and corporate bonds Total Available-for-sale Securities, Current Marketable securities Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract] Aggregate Fair Value Available-for-sale Securities, Gross Unrealized Losses Total Available-for-sale Securities, Noncurrent Marketable securities Basis of Presentation and Significant Accounting Policies [Text Block] Basis of Presentation Building [Member] Building Business Acquisition, Purchase Price Allocation, Goodwill, Expected Tax Deductible Amount Purchase price, recorded as goodwill which is tax deductible Business Acquisition, Purchase Price Allocation, Capital Lease Obligation Accrual Capital lease Business Acquisition, Contingent Consideration, Shares Issuable Shares to be issued after completion of employee service period Maximum potential shares issuable Business Acquisition, Purchase Price Allocation, Current Assets, Prepaid Expense and Other Assets Prepaid expenses and other assets Business Acquisition [Axis] Business Acquisition, Cost of Acquired Entity, Cash Paid Cash consideration for capital stock acquired Total consideration Business Acquisition, Pro Forma Information [Abstract] Pro forma Business Acquisition, Contingent Consideration, at Fair Value Estimated fair value of the Earn-out payments Contingent consideration obligation Contingent consideration obligation Business Acquisition, Purchase Price Allocation, Goodwill Amount Excess of purchase price over net tangible assets and liabilities, recorded as goodwill which is not tax deductible Goodwill Business Acquisition, Percentage of Voting Interests Acquired Percentage of capital stock acquired Business Acquisition, Purchase Price Allocation, Current Liabilities, Deferred Revenue Deferred revenue Deferred revenue Business Acquisition, Pro Forma Revenue Net sales Accrued expenses Business Acquisition, Purchase Price Allocation, Current Liabilities, Accrued Liabilities Business Acquisition, Contingent Consideration, Potential Cash Payment Approximate amount to be paid during Q1 2012 Potential cash payments Business Acquisition, Acquiree [Domain] Business Acquisition, Cost of Acquired Entity, Purchase Price [Abstract] Allocation of Consideration Transferred Business Acquisition, Pro Forma Information [Table Text Block] Schedule of unaudited pro forma financial information Business Acquisition, Contingent Consideration, at Fair Value, Noncurrent Contingent consideration obligation - long-term Business Acquisition, Purchase Price Allocation, Assets Acquired (Liabilities Assumed), Net Net assets acquired Business Acquisition, Purchase Price Allocation [Abstract] Summary of estimated fair values of assets and liabilities assumed at the acquisition date Business Acquisition, Purchase Price Allocation, Current Assets, Cash and Cash Equivalents Cash and cash equivalents Business Acquisition, Pro Forma Net Income (Loss) Net earnings Business Acquisition, Equity Interest Issued or Issuable, Number of Shares Number of common shares issued for acquisition Business Acquisition, Purchase Price Allocation, Liabilities Assumed Total liabilities assumed Business Acquisition, Pro Forma Earnings Per Share, Diluted Diluted earnings per common share (in dollars per share) Acquisition Business Acquisition, Purchase Price Allocation, Amortizable Intangible Assets Intangible assets Business Acquisition, Purchase Price Allocation, Deferred Taxes Asset (Liability), Net, Noncurrent Deferred tax assets, net Business Acquisition, Purchase Price Allocation, Assets Acquired Total identifiable assets acquired Business Acquisition, Cost of Acquired Entity, Equity Interests Issued and Issuable Value of Synchronoss common stock issued Business Acquisition, Cost of Acquired Entity [Abstract] Acquisition-related costs Company payments Business Acquisition, Purchase Price Allocation, Current Assets, Receivables Accounts receivable Accounts receivable Business Acquisition [Line Items] Acquisition Business Acquisition, Contingent Consideration, at Fair Value, Current Contingent consideration obligation Business Acquisition, Cost of Acquired Entity, Purchase Price Total purchase price Business Acquisition, Purchase Price Allocation, Other Noncurrent Assets Other assets, non-current Business Acquisition, Purchase Price Allocation, Property, Plant and Equipment Property and equipment Business Combination Disclosure [Text Block] Acquisition Business Acquisition, Purchase Price Allocation, Other Noncurrent Liabilities Other liabilities, non-current Business Combinations Policy [Policy Text Block] Business Combinations Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability Net change in contingent consideration obligation Business Combination, Acquisition Related Costs Acquisition-related costs including transaction costs such as employee retention, legal, accounting, valuation and other professional services Capital Lease Obligations Incurred Non-cash increase in lease financing obligation and construction-in-progress Capital Leased Assets, Gross Construction costs funded by landlord recorded Capital Leases, Income Statement, Interest Expense Interest expense related to lease agreement Capital Leases, Income Statement, Amortization Expense Depreciation expense related to lease agreement Capital Leased Assets [Line Items] Financing lease Lease financing obligation Capital Lease Obligations, Current Capital Lease Obligations, Noncurrent Lease financing obligation - long-term Capitalized Computer Software, Gross Unamortized software development costs Capitalized Computer Software, Amortization Amortization expenses of capital software development costs Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents Cash and cash equivalents at beginning of year Cash and cash equivalents at end of period Cash and Cash Equivalents, Policy [Policy Text Block] Cash and Cash Equivalents Cash and Cash Equivalents [Abstract] Cash and Cash Equivalents Class of Stock [Line Items] Common Stock Class of Stock [Domain] Commitments [Member] Contingent Consideration Commitments and Contingencies Disclosure [Text Block] Commitments and Contingencies Commitments and Contingencies Commitments and Contingencies Common Stock [Member] Common Stock Common Stock, Shares, Outstanding Common stock, shares outstanding Balance (in shares) Balance (in shares) Common Stock, Value, Issued Common stock, $0.0001 par value; 100,000 shares authorized, 43,945 and 42,533 shares issued; 40,121 and 38,674 outstanding at June 30, 2013 and December 31, 2012, respectively Common Stock, Shares, Issued Common stock, shares issued Shares of common stock issued Common Stock, Par or Stated Value Per Share Common stock, par value (in dollars per share) Common Stock, Shares Authorized Common stock, shares authorized Designated common stock (in shares) Common Stock, Capital Shares Reserved for Future Issuance Shares of common stock reserved for issuance Total number of shares available for purchase 401(k) Plan Components of Deferred Tax Assets [Abstract] Deferred tax assets: Components of Deferred Tax Assets and Liabilities [Abstract] Significant components of net deferred tax assets Deferred tax liabilities: Components of Deferred Tax Liabilities [Abstract] Accumulated Other Comprehensive Income Comprehensive income: Comprehensive Income (Loss), Net of Tax, Attributable to Parent Total comprehensive income Comprehensive (loss) income Comprehensive Income (Loss) Note [Text Block] Accumulated Other Comprehensive Income Comprehensive Income, Policy [Policy Text Block] Comprehensive Income Comprehensive Income [Member] Comprehensive Income Computer Equipment [Member] Computer hardware Concentration Risk Type [Domain] Concentration Risk [Line Items] Concentration of Credit Risk Concentration Risk Benchmark [Domain] Concentration Risk [Table] Concentration Risk Benchmark [Axis] Concentration Risk Type [Axis] Concentration Risk, Percentage Percentage of concentration risk Consolidation, Policy [Policy Text Block] Basis of Presentation and Consolidation Construction in Progress [Member] Construction in-progress Cost of Sales, Policy [Policy Text Block] Cost of Services Cost of Services Cost of services Costs and Expenses [Abstract] Costs and expenses: Costs and Expenses Total costs and expenses Current State and Local Tax Expense (Benefit) State Current Income Tax Expense (Benefit), Continuing Operations [Abstract] Current: Current Foreign Tax Expense (Benefit) Foreign Current Federal Tax Expense (Benefit) Federal Customer Concentration Risk [Member] Customer concentration Customer Relationships [Member] Customer relationships Deferred Federal Income Tax Expense (Benefit) Federal Deferred Revenue Deferred revenue recorded to reflect the estimate of fair value of service obligations assumed Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract] Deferred: Deferred Foreign Income Tax Expense (Benefit) Foreign Deferred Tax Liabilities, Gross Total deferred tax liabilities Deferred Income Tax Expense (Benefit) Deferred income taxes Deferred Tax Assets, Net, Current Deferred tax assets Net current deferred tax assets Deferred Tax Assets, Net Net Deferred Income Tax Assets Deferred Revenue [Abstract] Deferred Revenue Deferred Tax Assets, Net, Classification [Abstract] Classification of net deferred income taxes Deferred Tax Assets, Gross Total deferred tax assets Deferred State and Local Income Tax Expense (Benefit) State Deferred Tax Assets, Deferred Income Deferred revenue Deferred Tax Assets, Net, Noncurrent Net non-current deferred tax assets Deferred tax assets Capital loss carryforward Deferred Tax Assets, Capital Loss Carryforwards Deferred Revenue, Current Deferred revenues Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Allowance for Doubtful Accounts Bad debts reserve Deferred Tax Assets, Operating Loss Carryforwards, Domestic Federal net operating loss carry forwards Deferred Tax Assets, Operating Loss Carryforwards, State and Local State net operating loss carry forwards Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Deferred Rent Deferred rent Deferred Tax Assets, Other Other Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities Accrued liabilities Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Employee Compensation Deferred compensation Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost Deferred tax asset resulting from amended stock options being treated as non-qualified stock options since inception Deferred Tax Assets, Operating Loss Carryforwards, Foreign Foreign net operating loss carry forwards Deferred Tax Assets, Valuation Allowance, Noncurrent Less : Valuation allowance Deferred Tax Assets, Valuation Allowance Less: Valuation allowance Deferred Tax Liabilities, Other Other Deferred Tax Liabilities, Intangible Assets Intangible assets Deferred Tax Liabilities, Property, Plant and Equipment Fixed assets Deferred Tax Assets, Valuation Allowance, Current Less: Valuation allowance Defined Contribution Plan, Cost Recognized Employer contribution incurred and expensed under 401(k) Plan Depreciation, Depletion and Amortization Depreciation and amortization Depreciation Depreciation expense Developed Technology Rights [Member] Technology Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Stock Plans Stock Plans Earnings Per Share, Diluted Diluted (in dollars per share) Earnings Per Share, Basic Basic (in dollars per share) Earnings Per Share Reconciliation [Abstract] Reconciliation of the numerator and denominator used in computing basic and diluted net income attributable to common stockholders per common share Earnings Per Share [Text Block] Earnings per Common Share Earnings Per Share, Policy [Policy Text Block] Basic and Diluted Net Income Attributable to Common Stockholders per Common Share Earnings per Common Share Net income per common share: Basic and Diluted Net Income Attributable to Common Stockholders per Common Share Effect of Exchange Rate on Cash and Cash Equivalents, Continuing Operations Effect of exchange rate changes on cash Reconciliation of the statutory tax rates and the effective tax rates Effective Income Tax Rate, Continuing Operations, Tax Rate Reconciliation [Abstract] Effective Income Tax Rate, Continuing Operations Effective tax rate (as a percent) Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential Effect of Rates Different than Statutory (as a percent) Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate Statutory rate (as a percent) Effective Income Tax Rate Reconciliation, Tax Credits, Research Research and development credit (as a percent) Effective Income Tax Rate Reconciliation, State and Local Income Taxes State taxes, net of federal benefit (as a percent) Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Compensation Cost Non-deductible stock based compensation (as a percent) Effective Income Tax Rate Reconciliation, Other Adjustments Other (as a percent) Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other Other permanent adjustments (as a percent) Employee-related Liabilities, Current Accrued compensation and benefits Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition Weighted-average period over which 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consolidation Facility Closing [Member] Measurement Frequency [Axis] Fair Value, Hierarchy [Axis] Liability Class [Axis] Fair Value, Measurements, Recurring [Member] Fair Value, Measurements, Recurring [Member] Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value Balance as at the beginning of the period Balance as at the end of the period Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements Earn-out payment Fair value of asset transfers from Level 2 to Level 1 Fair Value, Assets, Level 2 to Level 1 Transfers, Amount Fair Value, Measurement Frequency [Domain] Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value by Liability Class [Domain] Fair value of asset transfers from Level 1 to Level 2 Fair Value, Assets, Level 1 to Level 2 Transfers, Amount Fair Value, Measurements, Fair Value Hierarchy [Domain] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Summary of assets and liabilities held by the Company and their related classifications under the fair value hierarchy Fair Value Measurements of Assets and Liabilities Fair Value Disclosures [Text Block] Fair Value Measurements of Assets and Liabilities Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Level 3 changes Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value of Financial Instruments, Policy [Policy Text Block] Fair Value of Financial Instruments and Liabilities Fair Value, Inputs, Level 3 [Member] Level 3 Fair Value, Inputs, Level 1 [Member] Level 1 Fair Value, Inputs, Level 2 [Member] Level 2 Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Changes in fair value of the Company's Level 3 contingent consideration obligation Fair Value, Liabilities Measured on Recurring Basis, 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assets: Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months 2013 Finite-Lived Intangible Assets, Amortization Expense, Year Four 2016 Finite-Lived Intangible Assets, Amortization Expense, Year Two 2014 Finite-Lived Intangible Assets, Net Net amount Foreign Tax Authority [Member] Foreign Foreign Currency Transactions and Translations Policy [Policy Text Block] Foreign Currency Furniture and Fixtures [Member] Furniture and fixtures Gain (Loss) on Disposition of Assets Loss on disposal of asset Goodwill Goodwill Balance at the beginning of the period Balance at the end of the period Translation adjustments Goodwill, Translation Adjustments Goodwill and Intangible Assets Disclosure [Text Block] Goodwill and Intangibles Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block] Goodwill Goodwill, Acquired During Period Acquisitions Acquired goodwill Goodwill [Roll Forward] Goodwill Goodwill and Intangibles Goodwill, Period Increase (Decrease) Reclassifications, adjustments and other Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block] Impairment of Long-Lived Assets Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest Income before income tax expense Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest [Abstract] Income before income taxes Income (Loss) from Continuing Operations before Income Taxes, Foreign Income before income taxes, foreign CONSOLIDATED STATEMENTS OF INCOME Income Tax Disclosure [Text Block] Income Taxes Income Taxes Income Taxes Income Tax Authority [Axis] Income Tax Authority [Domain] Income before income taxes, domestic Income (Loss) from Continuing Operations before Income Taxes, Domestic Income Tax Expense (Benefit), Continuing Operations [Abstract] Components of income tax (expense) benefit Income Tax Expense (Benefit) Income tax expense Income tax expense Income tax expense (benefit) Income Taxes Paid, Net Cash paid for income taxes Income Tax, Policy [Policy Text Block] Income Taxes Accounts payable Increase (Decrease) in Accounts Payable Increase (Decrease) in Accrued Liabilities Accrued expenses Increase (Decrease) in Deferred Revenue Deferred revenues Increase (Decrease) in Accounts Receivable Accounts receivable, net of allowance for doubtful accounts Increase (Decrease) in Accounts Payable and Accrued Liabilities Accrued payable and accrued expenses Increase (Decrease) in Operating Capital [Abstract] Changes in operating assets and liabilities: Increase (Decrease) in Prepaid Expense and Other Assets Prepaid expenses and other current assets Increase (Decrease) in Other Operating Assets Other assets Increase (Decrease) in Other Operating Liabilities Other liabilities Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity Incremental Common Shares Attributable to Share-based Payment Arrangements Options and unvested restricted shares Incremental Common Shares Attributable to Contingently Issuable Shares Net issuable common share equivalents Intangible Assets, Net (Excluding Goodwill) Intangible assets, net Net amount Interest Expense Interest expense Interest and Other Income Interest income and other income Interest Paid Cash paid for interest Internal Revenue Service (IRS) [Member] Federal Investment Income, Interest Interest income Investments Classified by Contractual Maturity Date [Table Text Block] Schedule of aggregate fair value of available for sale securities and aggregate amount of unrealized gains and losses for available for sale securities Leasehold Improvements [Member] Leasehold improvements Leaseholds and Leasehold Improvements [Member] Leasehold and Leasehold improvements Legal Matters and Contingencies [Text Block] Legal Matters Liabilities, Current Total current liabilities Liabilities, Current [Abstract] Current liabilities: Liabilities and Equity [Abstract] LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities and Equity Total liabilities and stockholders' equity Loss Contingency, New Claims Filed, Number Number of complaints filed against the Company and certain of its officers and directors in the United States District Court for the District of New Jersey on behalf of a class of shareholders Loss Contingencies [Table] Loss Contingency Nature [Axis] Loss Contingencies [Line Items] Legal Matters Loss Contingency, Nature [Domain] Major Customers [Axis] Marketable Securities, Policy [Policy Text Block] Marketable Securities Net losses on sale of security Marketable Securities, Gain (Loss) Marketable Securities [Abstract] Marketable Securities Maximum Maximum [Member] Minimum [Member] Minimum Money Market Funds, at Carrying Value Money market funds Movement in Valuation Allowances and Reserves [Roll Forward] Allowance for doubtful receivables Name of Major Customer [Domain] Nature of Operations [Text Block] Description of Business Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract] Financing activities: Net Cash Provided by (Used in) Operating Activities, Continuing Operations Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract] Operating activities: Net Cash Provided by (Used in) Continuing Operations Net increase (decrease) in cash and cash equivalents Net Cash Provided by (Used in) Investing Activities, Continuing Operations Net cash used in investing activities Net Income (Loss) Available to Common Stockholders, Diluted [Abstract] Numerator: Net Income (Loss) Available to Common Stockholders, Diluted Net income applicable to shares of common stock for earnings per share Net Cash Provided by (Used in) Financing Activities, Continuing Operations Net cash provided by financing activities Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] Investing activities: Net Income (Loss) Attributable to Parent Net income Net income Net income attributable to common stockholders Impact of Recently Issued Accounting Standards New Accounting Pronouncements, Policy [Policy Text Block] New Accounting Pronouncements and Changes in Accounting Principles [Text Block] Recent Accounting Pronouncements Noncash Investing and Financing Items [Abstract] Supplemental disclosures of non-cash investing and financing activities: Number of Reportable Segments Number of business segments Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] Aggregate annual future minimum lease payments under non-cancellable leases Operating Loss Carryforwards [Table] Operating Loss Carryforwards Net operating loss Operating Leases, Rent Expense, Net Rent expense Operating Income (Loss) Income from operations Operating Leases, Future Minimum Payments, Due in Three Years 2015 Operating Leases, Future Minimum Payments, Due in Two Years 2014 Operating Leases, Future Minimum Payments Due, Next Twelve Months 2013 Operating Leases, Future Minimum Payments, Due in Four Years 2016 Operating Loss Carryforwards [Line Items] Details of net operating loss carryforwards Operating Leases, Future Minimum Payments Due Total Basis of Presentation Total other comprehensive loss Other Comprehensive Income (Loss), Net of Tax Other Assets, Noncurrent Other assets Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax Translation adjustments Foreign currency translation adjustments Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Tax Unrealized gain (loss) on investments in marketable securities, taxes (benefits) (in dollars) Other income Other Nonoperating Income Other (expense) income Other Nonoperating Income (Expense) Other liabilities Other Liabilities, Noncurrent Restructuring charges for Minimum lease payments Other Restructuring Costs Other comprehensive income (loss), net of tax: Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Accrued other Other Accrued Liabilities, Current Total other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Accrued Expenses Payments for Repurchase of Common Stock Repurchase of common stock Payments to Acquire Property, Plant, and Equipment Purchases of fixed assets Payments to Acquire Businesses, Net of Cash Acquired Business acquired, net of cash Initial cash payment for capital stock acquired Payments to Acquire Available-for-sale Securities Purchases of marketable securities available-for-sale Pending Litigation [Member] Lawsuits by certain shareholders for false or misleading financial prospects Pension and Other Postretirement Benefits Disclosure [Text Block] 401(k) Plan Plan Name [Domain] Plan Name [Axis] Preferred Stock, Value, Issued Preferred stock, $0.0001 par value; 10,000 shares authorized, 0 shares issued and outstanding at June 30, 2013 and December 31, 2012 Preferred Stock, Shares Authorized Preferred stock, shares authorized Designated preferred stock (in shares) Preferred Stock, Shares Issued Preferred stock, shares issued Preferred Stock, Par or Stated Value Per Share Preferred stock, par value (in dollars per share) Preferred Stock, Shares Outstanding Preferred stock, shares outstanding Prepaid Expense and Other Assets, Current Prepaid expenses and other assets Proceeds from Insurance Settlement, Operating Activities Proceeds from insurance claim Proceeds from Issuance of Common Stock Proceeds from secondary public offering, net of offering costs Proceeds from Sale and Maturity of Available-for-sale Securities Maturities of marketable securities available-for-sale Proceeds from Insurance Settlement, Investing Activities Proceeds from insurance claim Proceeds from Long-term Capital Lease Obligations Proceeds from capital obligations Proceeds from sale of marketable securities Proceeds from Sale and Maturity of Marketable Securities Proceeds from Sale of Productive Assets Proceeds from sale of fixed assets Proceeds from Stock Options Exercised Proceeds from the exercise of stock options Cash received from the exercise of stock options Proceeds from the sale of Treasury Stock in connection with an employee stock purchase plan Proceeds from Sale of Treasury Stock Cash received under program Property, Plant and Equipment, Useful Life Estimated useful life of property and equipment and leasehold improvements Property, Plant and Equipment, Type [Domain] Property and Equipment Property and Equipment Property, Plant and Equipment, Policy [Policy Text Block] Property and Equipment Property, Plant and Equipment, Net Property and equipment, net Property and equipment, net Property, Plant and Equipment [Line Items] Property and Equipment Property, Plant and Equipment, Gross Property and Equipment, gross Property, Plant and Equipment [Table Text Block] Schedule of components of property and equipment Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment Disclosure [Text Block] Property and Equipment Range [Axis] Range [Domain] Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] Reconciliation of beginning and ending amount of unrecognized tax benefits excluding interest Repayments of Long-term Capital Lease Obligations Repayments of capital obligations Research and Development Expense Research and development Research, Development, and Computer Software, Policy [Policy Text Block] Research and Development Research and Development [Abstract] Research and Development Retrospective purchase accounting adjustments Restatement Adjustment [Member] Restricted Stock [Member] Restricted stock Reduction in workforce subsequent to acquisition (as a percent) Restructuring and Related Cost, Number of Positions Eliminated, Period Percent Percent of work-force reduction under corporate restructuring plan Restructuring Charges Restructuring and Related Activities Disclosure [Text Block] Work-force reduction under corporate restructuring, number of employee Restructuring and Related Cost, Number of Positions Eliminated Restructuring Type [Axis] Restructuring Charges. Charges Restructuring charges Unpaid restructuring charges Restructuring Reserve, Current Restructuring Charges Restructuring accrual and changes Restructuring Reserve [Roll Forward] Restructuring Reserve, Settled without Cash Payments Restructuring accrual and changes Restructuring Cost and Reserve [Line Items] Adjustments Restructuring Reserve, Accrual Adjustment Balance at the beginning of the period Balance at the end of the period Restructuring Reserve Retained Earnings (Accumulated Deficit) Retained earnings Retained Earnings [Member] Retained Earnings Revenue Recognition [Abstract] Revenue Recognition, Multiple-deliverable Arrangements [Table] Revenue Recognition, Policy [Policy Text Block] Revenue Recognition and Deferred Revenue Revenue Recognition, Multiple-deliverable Arrangements [Line Items] Revenue Recognition Revenues and property and equipment, net by geographic area Revenues from External Customers and Long-Lived Assets [Line Items] Revenues Net revenues Revenues Risks and Uncertainties [Abstract] Concentration of Credit Risk Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Exercise Price Weighted-Average Exercise Price (in dollars per share) Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Exercise Price Weighted Average Exercise Price (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value Exercisable Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term Vested or expected to vest Expected life of ESPP shares Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Expected life of options Exercisable Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Weighted-average remaining contractual life of exercisable options Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Weighted-average remaining contractual life of outstanding options Outstanding Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Remaining Contractual Term Weighted-Average Remaining Contractual Life Schedule of estimated annual amortization expense of intangible assets for the next five years Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Sales Revenue, Services, Net [Member] Net Revenues Scenario, Unspecified [Domain] Forecast Scenario, Forecast [Member] Schedule of revenues and property and equipment, net by geographic area Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block] Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Schedule of components of income tax (expense) benefit Schedule of assets and liabilities held and their related classifications under the fair value hierarchy Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Schedule of Nonvested Share Activity [Table Text Block] Schedule of non-vested restricted stock and changes Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] Summary of information about stock options outstanding Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] Schedule of components of income before income taxes Schedule of changes in accumulated other comprehensive income Schedule of Comprehensive Income (Loss) [Table Text Block] Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Schedule of weighted-average assumptions used in the Black-Scholes option pricing model Schedule of Share-based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions [Table Text Block] Schedule of assumptions used to value employee stock purchase rights Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Schedule of reconciliation of the statutory tax rates and the effective tax rates Schedule of Accrued Liabilities [Table Text Block] Schedule of components of accrued expenses Schedule of Finite-Lived Intangible Assets [Table] Schedule of Capital Leased Assets [Table] Schedule of Purchase Price Allocation [Table Text Block] Summary of estimated fair values of assets and liabilities assumed at acquisition date Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Schedule of significant components of the Company's deferred tax assets and liabilities Schedule of Revenues from External Customers and Long-Lived Assets [Table] Schedule of Finite-Lived Intangible Assets [Table Text Block] Schedule of composition of intangible assets Schedule of Calculation of Numerator and Denominator in Earnings Per Share [Table Text Block] Schedule of reconciliation of the numerator and denominator used in computing basic and diluted net income attributable to common stockholders per common share Schedule of Business Acquisitions, by Acquisition [Table] Schedule of changes in accumulated other comprehensive income Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Schedule of Goodwill [Table Text Block] Schedule of changes in goodwill Schedule of Finite-Lived Intangible Assets Acquired as Part of Business Combination [Table Text Block] Schedule of intangible assets Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block] Schedule of stock options outstanding and exercisable by range of exercise prices Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Summary of the restructuring accrual and changes Schedule of Restructuring and Related Costs [Table Text Block] Schedule of Restructuring and Related Costs [Table] Schedule of Property, Plant and Equipment [Table] Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] SCHEDULE II-VALUATION AND QUALIFYING ACCOUNTS Schedule of Stock by Class [Table] Foreign Segment, Geographical, Groups of Countries, Group One [Member] Segment Reporting [Abstract] Segment and Geographic Information Segment Reporting, Policy [Policy Text Block] Segment and Geographic Information Segment, Geographical [Domain] Selling, General and Administrative Expense Selling, general and administrative Series of Individually Immaterial Business Acquisitions [Member] Acquisition Restructuring charges for Employment termination costs Severance Costs Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract] Weighted-Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Number of Awards Share-based Compensation Stock-based compensation Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Options Cancelled (in dollars per share) Options forfeited (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Granted (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Forfeited (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Non-vested at the beginning of the period (in dollars per share) Non-vested at the end of the period (in dollars per share) Maximum number of shares allowed to be purchased by single participant Share-based Compensation Arrangement by Share-based Payment Award, Maximum Number of Shares Per Employee Stock-Based Compensation Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Stockholder's Equity Details of non-vested restricted stock Non-vested at the end of the period (in shares) Non-vested at the beginning of the period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Vested (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Forfeited (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Options Granted (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Granted (in shares) Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Options Exercised (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Risk-free interest rate (as a percent) Expected stock price volatility (as a percent) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Exercisable (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate Expected dividend yield (as a percent) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Vested (in dollars per share) Weighted-average fair value (as of the date of grant) of the options granted during the period (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Total Intrinsic Value Intrinsic value of stock options exercised during the period Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract] Additional disclosures related to stock options Exercisable (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Number of shares reserved for grant Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Number of Options Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract] Weighted-average assumptions used in the Black-Scholes option pricing model Weighted-average assumptions used to value employee stock purchase rights Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures Options to purchase common stock granted during the period (in shares) Options Granted (in shares) Options granted (in shares) Options forfeited (in shares) Options Cancelled (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Exercisable Options Number of Options (in shares) Exercise Price Range [Axis] Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number Vested or expected to vest (in shares) Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] Stock options outstanding and exercisable summarized by exercise price range Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Domain] Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Balance at the beginning of the period (in dollars per share) Balance at the end of the period (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Aggregate intrinsic value of outstanding options Outstanding Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Outstanding Options Number of Options (in shares) Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit Exercise price, low end of range (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Options outstanding at the beginning of the period (in shares) Options outstanding at the end of the period (in shares) Award Type [Domain] Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block] Stock-Based Compensation Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price Vested or expected to vest (in dollars per share) Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit Exercise price, high end of range (in dollars per share) Significant Accounting Policies [Text Block] Summary of Significant Accounting Policies Software Development [Member] Software Development Software [Member] Computer software State State and Local Jurisdiction [Member] Statement [Table] Scenario [Axis] Statement [Line Items] Statement CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY CONSOLIDATED STATEMENTS OF CASH FLOWS Equity Components [Axis] CONSOLIDATED BALANCE SHEETS CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME Geographical [Axis] Class of Stock [Axis] Stock Issued During Period, Shares, Period Increase (Decrease) Stock Issued During Period, Shares, Acquisitions Issuance of common stock related to acquisition (in shares) Stock Issued During Period, Value, Stock Options Exercised Issuance of common stock on exercise of options Stock Issued During Period, Value, Acquisitions Issuance of common stock related to acquisition Stock Issued During Period, Value, New Issues Issuance of common stock from secondary offering Stock Repurchased During Period, Value Repurchase of treasury stock Stock Repurchase Program, Period in Force Duration of stock repurchase program Stock Issued During Period, Shares, New Issues Issuance of common stock from secondary offering (in shares) Stock Repurchased During Period, Shares Repurchase of treasury stock (in shares) Number of shares purchased Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Issuance of common stock on exercise of options (in shares) Options Exercised (in shares) Issuance of common stock on exercise of options (in shares) Stock Repurchase Program, Authorized Amount Amount authorized to be purchased under stock repurchase program Sale of Treasury Stock in connection with an employee stock purchase plan Stock Issued During Period, Value, Employee Stock Purchase Plan Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures Issuance of restricted stock Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Issuance of restricted stock (in shares) Shares of restricted stock issued related to performance share grant Number of shares sold under Employee Stock Purchase Plan Stock Issued During Period, Shares, Employee Stock Purchase Plans Sale of Treasury Stock in connection with an employee stock purchase plan (in shares) Stockholders' Equity Attributable to Parent [Abstract] Stockholders' equity: Stockholders' Equity Attributable to Parent Total stockholders' equity Balance Balance Stockholders' Equity Stockholders' Equity, Period Increase (Decrease) Subsequent Events [Text Block] Subsequent Events Subsequent Events Subsequent Event Type [Domain] Subsequent Event [Line Items] Subsequent Events Subsequent Event Type [Axis] Subsequent Event [Table] Subsequent event Subsequent Event [Member] Summary of Income Tax Contingencies [Table Text Block] Schedule of reconciliation of the amounts of unrecognized tax benefits excluding interest Supplemental Cash Flow Information [Abstract] Supplemental disclosures of cash flow information: Trade Names [Member] Trade name Trade and Other Accounts Receivable, Policy [Policy Text Block] Accounts Receivable and Allowance for Doubtful Accounts Treasury Stock, Value Treasury stock, at cost (3,824 and 3,859 shares at June 30, 2013 and December 31, 2012, respectively) Treasury Stock, Shares, Acquired Number of shares repurchased under program Treasury Stock, Shares Treasury stock, shares Treasury Stock [Member] Treasury Stock Treasury Stock, Number of Shares and Restriction Disclosures [Abstract] Treasury Stock Treasury Stock, Value, Acquired, Cost Method Aggregate purchase price of stock repurchased Type of Arrangement and Non-arrangement Transactions [Axis] Type of Restructuring [Domain] Undistributed earnings attributable to foreign subsidiaries considered to be indefinitely invested Undistributed Earnings of Foreign Subsidiaries Unrecognized Tax Benefits, Increases Resulting from Current Period Tax Positions Increases for tax positions of current period Unrecognized Tax Benefits Unrecognized tax benefits (ending balance) Unrecognized tax benefit (beginning balance) Unrecognized Tax Benefits, Interest on Income Taxes Accrued Interest related to uncertain positions included in unrecognized tax benefit reserves Accrued interest included in liability for unrecognized tax benefits Unrecognized Tax Benefits, Reductions Resulting from Lapse of Applicable Statute of Limitations Reduction due to lapse of applicable statute of limitations Unrecognized Tax Benefits, Period Increase (Decrease) Net decrease in reserve for unrecognized tax benefits Unrecognized Tax Benefits, Increases Resulting from Prior Period Tax Positions Increases for tax positions taken during prior year Unrecognized Tax Benefits, Decreases Resulting from Prior Period Tax Positions Decreases for tax positions taken during prior year Use of Estimates, Policy [Policy Text Block] Use of Estimates Valuation and Qualifying Accounts Disclosure [Table] Valuation Allowances and Reserves [Domain] Valuation Allowances and Reserves, Charged to Cost and Expense Additions Valuation Allowances and Reserves, Balance Beginning Balance Ending Balance Valuation Allowances and Reserves, Deductions Reductions SCHEDULE II-VALUATION AND QUALIFYING ACCOUNTS Valuation and Qualifying Accounts Disclosure [Line Items] Valuation and qualifying accounts Valuation Allowances and Reserves Type [Axis] Weighted Average Number Diluted Shares Outstanding Adjustment [Abstract] Dilutive effect of: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Weighted-average common shares outstanding: Denominator: Weighted Average Number of Shares Outstanding, Basic Basic (in shares) Weighted average common shares outstanding - basic Weighted Average Number of Shares Outstanding, Diluted Diluted (in shares) Weighted average common shares outstanding - diluted