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(Loss) AOCI Attributable to Parent [Member] Subsequent Events [Abstract] Subsequent Events [Abstract] Additional Paid-In Capital Additional Paid-in Capital [Member] Conversion ratio Debt Instrument, Convertible, Conversion Ratio Expected stock price volatility Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate Accrued expenses Accrued Liabilities, Current Borrowings on revolving line of credit Proceeds from Long-term Lines of Credit Common stock, shares issued (in shares) Beginning balance (in shares) Ending balance (in shares) Common Stock, Shares, Issued Equity Component [Domain] Equity Component [Domain] Legal Entity [Axis] Legal Entity [Axis] Variable lease costs Variable Lease, Cost Forfeited (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Risk-free interest rate Share-based 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Customer Contract Duration of Customer Contract Term Debt Instrument, Term Commitments and contingencies Commitments and Contingencies Preferred dividend payment Payments of Ordinary Dividends, Preferred Stock and Preference Stock Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Credit Facility [Domain] Credit Facility [Domain] Weighted-average common shares outstanding: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Restructuring Restructuring and Related Activities Disclosure [Text Block] Citizens Bank, N.A. Citizens Bank, N.A. [Member] Citizens Bank, N.A. Supplemental disclosures of non-cash investing and financing activities: Noncash Investing and Financing Items [Abstract] Anti-dilutive stock options excluded (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Interest income Investment Income, Interest Entity Address, Address Line One Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Address Line Two Comprehensive loss attributable to redeemable noncontrolling interests Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Treasury Stock Treasury Stock [Member] Subsequent Events Subsequent Events [Text Block] Other Other Sundry Nonoperating Income (Expense), Net Other Sundry Nonoperating Income (Expense), Net Non-vested at the beginning of the period (in shares) Non-vested at the end of the period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Debt Instrument [Line Items] Debt Instrument [Line Items] Accounts receivable, net Accounts Receivable, Net, Current Entity Address, State or Province Entity Address, State or Province Comprehensive loss Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest 2019 Notes Convertible Senior Notes Due2019 [Member] Represents activity related to 0.75% Convertible Senior Notes due 2019 (the "2019 Notes"). 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Schedule of Equity Method Investments [Table] Significant changes in the contract liabilities balance Contract with Customer, Asset and Liability [Table Text Block] Forfeited (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Weighted-average fair value (grant date) of the options (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Reclassifications Reclassification, Policy [Policy Text Block] Preferred Stock Preferred Stock [Member] Foreign currency Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Class of Stock [Domain] Class of Stock [Domain] Subsequent Event Subsequent Event [Member] Geographical [Axis] Geographical [Axis] Operating assets and liabilities Assets And 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Equity, Carrying Amount Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Investment, Name [Domain] Investment, Name [Domain] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Demand registration, minimum percentage of shares Equity Agreement, Demand Registration, Minimum Percentage Of Shares Equity Agreement, Demand Registration, Minimum Percentage Of Shares Federal Funds Rate Federal Funds Effective Swap Rate [Member] Deferred revenues, current Contract with Customer, Liability, Current Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Stockholders’ equity: Stockholders' Equity Attributable to Parent [Abstract] Total net lease cost Lease, Cost Document Transition Report Document Transition Report Professional Services Professional Services [Member] Professional Services [Member] Number of complaints filed Loss Contingency, New Claims Filed, Number Summary of Interest Expense Schedule of Long-term Debt Instruments [Table Text Block] Options and unvested restricted shares (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Net loss Net loss Net loss continuing operations Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Line of Credit Facility [Table] Line of Credit Facility [Table] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Basis spread on variable rate (as a percent) Debt Instrument, Basis Spread on Variable Rate Chief Executive Officer Chief Executive Officer [Member] Depreciation and amortization Depreciation, Depletion and Amortization Selling, general and administrative Selling, General and Administrative Expenses [Member] Preferred 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