Product Service and other Total net revenue Cost of product revenue Cost of service and other revenue Cost of revenue amortization of purchased intangible assets Selling and marketing Research and development Acquisition-related charges Total costs and expenses Operating loss Interest expense Loss from continuing operations before income taxes Income tax provision (benefit) Net income Investments Cash and cash equivalents Accounts receivable, net Income taxes receivable Deferred income taxes Prepaid expenses and other current assets Funds held for customers Total current assets Long-term investments Property and equipment, net Purchased intangible assets, net Long-term deferred income taxes Other assets Total assets Deferred revenue Other current liabilities Total obligations incurred as part of normal operations that are expected to be paid during the following twelve months or within one business cycle, if longer, except for customer fund deposits. Current Liabilities Before Customer Fund Deposits Customer fund deposits Total current liabilities Long-term debt Other long-term obligations Total liabilities Preferred stock Treasury stock, at cost Accumulated other comprehensive income Retained earnings Total stockholders' equity Total liabilities and stockholders' equity Net loss Depreciation Share-based compensation Deferred income taxes Tax benefit from share-based compensation plans Excess tax benefit from share-based compensation plans Accounts receivable Prepaid expenses, income taxes receivable and other assets Accounts payable Accrued compensation and related liabilities Deferred revenue Income taxes payable Other liabilities Total changes in operating assets and liabilities Net cash provided by (used in) operating activities (1) Purchases of available-for-sale debt securities Sales of available-for-sale debt securities Maturities of available-for-sale debt securities Purchases of property and equipment Net change in customer fund deposits Net cash provided by (used in) investing activities Other Purchase of treasury stock Excess tax benefit from share-based compensation plans Other Net cash used in financing activities Effect of exchange rates on cash and cash equivalents Net decrease in cash and cash equivalents Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Other comprehensive income (loss), net of tax Issuance of common stock under employee stock plans Issuance of common stock under employee stock plans, shares Restricted stock units released, net of taxes Restricted stock units released, net of taxes, shares Stock repurchases under stock repurchase programs Stock repurchases under stock repurchase programs, shares Description of Business, Basis of Presentation and Summary of Significant Accounting Policies Segment Information Current Liabilities Long-Term Obligations Fair Value Measurements Income Taxes Stockholders' Equity Comprehensive Net Income (Loss) Comprehensive net income Tax benefit from employee stock option transactions General and administrative Common Stock Treasury Stock Retained Earnings Accumulated Other Comprehensive Income (Loss) Amortization of intangible assets Beginning Balance Ending Balance Litigation. Litigation Cash and Cash Equivalents, Investments and Funds Held for Customers. Cash and Cash Equivalents, Investments and Funds Held for Customers [Abstract] Industry Segment and Geographic Information. Segment Information [Abstract] Fair Value Measurements Fair Value Measurements [Abstract] Litigation. Litigation [Abstract] Cash and Cash Equivalents, Investments and Funds Held for Customers [Abstract] Industry Segment and Geographic Information [Abstract] Fair Value Measurements [Abstract] Litigation [Abstract] Net revenue: Costs and expenses: Costs and Expenses [Abstract] Product Sales Revenue, Goods, Net Service and other Sales Revenue, Services, Net Cost of product revenue Cost of Goods Sold Cost of service and other revenue Cost of Services Amortization of purchased intangible assets Amortization of Intangible Assets, Total Selling and marketing Selling and Marketing Expense Research and development Research and Development Expense General and administrative General and Administrative Expense Acquisition-related charges Interest expense Interest Expense, Debt, Total Income tax benefit Income Tax Expense (Benefit) Assets: Liabilities: Current liabilities: Liabilities, Current [Abstract] Stockholders' equity: Stockholders' Equity [Abstract] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Investments Available-for-sale Securities, Debt Securities, Current, Total Accounts receivable, net Accounts Receivable, Net, Current Income taxes receivable Deferred income taxes Deferred Tax Assets, Net, Current, Total Prepaid expenses and other current assets Funds held for customers Long-term investments Property and equipment, net Property, Plant and Equipment, Net, Beginning Balance Property, Plant and Equipment, Net, Ending Balance Property, Plant and Equipment, Net Goodwill Goodwill, Beginning Balance Goodwill, Ending Balance Purchased intangible assets, net Finite-Lived Intangible Assets, Net Long-term deferred income taxes Deferred Tax Assets, Net, Noncurrent, Total Other assets Other assets Deferred revenue Deferred Revenue, Current, Total Other current liabilities Other current liabilities Current liabilities before customer fund deposits Customer fund deposits Long-term debt Other long-term obligations Other long-term obligations Preferred stock Preferred Stock, Value, Total Preferred Stock, Value, Beginning Balance Preferred Stock, Value, Ending Balance Treasury stock, at cost Treasury Stock, Value, Beginning Balance Treasury Stock, Value, Ending Balance Accumulated other comprehensive income Accumulated Other Comprehensive Income (Loss), Net of Tax, Beginning Balance Accumulated Other Comprehensive Income (Loss), Net of Tax, Ending Balance Accumulated Other Comprehensive Income (Loss), Net of Tax Retained earnings Retained Earnings (Accumulated Deficit), Beginning Balance Retained Earnings (Accumulated Deficit), Ending Balance Retained Earnings (Accumulated Deficit) Net income Other comprehensive income (loss), net of tax Other Comprehensive Income (Loss), Net of Tax, Period Increase (Decrease) Issuance of common stock under employee stock plans Restricted stock units released, net of taxes Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures Restricted stock units released, net of taxes, shares Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Litigation [Text Block] Income from continuing operations before income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Cumulative Effects of Changes in Accounting Principles, Noncontrolling Interest Net Income (Loss) Attributable to Parent Acquisition-related charges Amortization of Acquisition Costs Accounts payable Accounts Payable, Current, Total Accounts Payable, Current Accrued compensation and related liabilities Employee-related Liabilities, Current, Total Employee-related Liabilities, Current Other Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities, Other Total adjustments Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities Other Depreciation Depreciation Amortization of intangible assets Amortization Share-based compensation Share-based Compensation Prepaid expenses, income taxes receivable and other assets Increase (Decrease) in Prepaid, Deferred Expense and Other Assets Accrued compensation and related liabilities Increase (Decrease) in Employee Related Liabilities Other liabilities Increase (Decrease) in Other Operating Liabilities Purchases of property and equipment Payments to Acquire Property, Plant, and Equipment Other Payments for (Proceeds from) Other Investing Activities Other Proceeds from (Payments for) Other Financing Activities Net increase (decrease) in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Prepaid expenses and other current assets Other Assets, Current Funds held for customers Funds Held for Clients Total current assets Assets, Current Other Assets, Noncurrent Current liabilities before customer fund deposits Other Liabilities, Current Customer fund deposits Customer Deposits, Current Total current liabilities Liabilities, Current Other Liabilities, Noncurrent Sales Revenue, Services, Net Statement [Line Items] Cash flows from operating activities: Cash flows from operating activities: Changes in operating assets and liabilities: Changes in operating assets and liabilities: Cash flows from investing activities: Cash flows from investing activities: Cash flows from financing activities: Cash flows from financing activities: Adjustments to reconcile net income to net cash provided by (used in) operating activities: Adjustments to reconcile net income to net cash provided by (used in) operating activities: Stockholders' Equity Attributable to Parent [Abstract] Components of comprehensive net income: Components of comprehensive net income: Other Comprehensive Income (Loss), Net of Tax Comprehensive net income Comprehensive Income, Net of Tax, Attributable to Parent Operating Income (Loss) Common stock and additional paid-in capital Common Stock, Including Additional Paid in Capital, Total Common Stock, Including Additional Paid in Capital, Beginning Balance Common Stock, Including Additional Paid in Capital, Ending Balance Common Stock, Including Additional Paid in Capital Statements of Shareholders' Equity [Abstract] Statements of Stockholders' Equity [Abstract] Balance Sheets [Abstract] Balance Sheets [Abstract] Statements of Operations [Abstract] Statements of Operations [Abstract] Description of Business, Basis of Presentation and Summary of Significant Accounting Policies [Abstract] Description of Business, Basis of Presentation and Summary of Significant Accounting Policies [Abstract] Comprehensive Net Income Loss [Abstract] Comprehensive Net Income (Loss) [Abstract] Income Taxes [Abstract] Income Taxes [Abstract] ASSETS Liabilities [Abstract] Net revenue: Costs and Expenses [Abstract] Stockholders Equity [Abstract] Stockholders' Equity [Abstract] Long Term Obligations [Abstract] Long-Term Obligations [Abstract] Current Liabilities [Abstract] Interest expense Interest Expense, Debt Entity Well-known Seasoned Issuer Current Fiscal Year End Date Statement [Table] Sales Revenue, Goods, Net Sales Revenue, Net Cost of Goods Sold Cost of Services Amortization of Intangible Assets Selling and Marketing Expense Research and Development Expense General and Administrative Expense Costs and Expenses Income Tax Expense (Benefit) Cash and Cash Equivalents, at Carrying Value Available-for-sale Securities, Debt Securities, Current Accounts Receivable, Net, Current Income Taxes Receivable, Current Deferred Tax Assets, Net, Current Available-for-sale Securities, Debt Securities, Noncurrent Property, Plant and Equipment, Net Goodwill Finite-Lived Intangible Assets, Net Deferred Tax Assets, Net, Noncurrent Assets Deferred Revenue, Current Senior Notes, Noncurrent Liabilities Commitments and Contingencies Preferred Stock, Value, Issued Treasury Stock, Value Accumulated Other Comprehensive Income (Loss), Net of Tax Retained Earnings (Accumulated Deficit) Stockholders' Equity Attributable to Parent Liabilities and Stockholders' Equity Stock Issued During Period, Value, Share-based Compensation Stock Issued During Period, Shares, Share-based Compensation Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Treasury Stock, Value, Acquired, Cost Method Treasury Stock, Shares, Acquired Adjustments to Additional Paid in Capital, Tax Effect from Share-based Compensation Statement, Equity Components [Axis] Equity Component [Domain] Parent [Member] Common Stock and Additional Paid-In Capital Statements of Cash Flows [Abstract] Deferred Income Tax Expense (Benefit) Tax Benefit from Stock Options Exercised Excess Tax Benefit from Share-based Compensation, Operating Activities Increase (Decrease) in Accounts Receivable Increase (Decrease) in Accounts Payable, Trade Increase (Decrease) in Deferred Revenue Increase (Decrease) in Accrued Income Taxes Payable Increase (Decrease) in Operating Capital Net Cash Provided by (Used in) Operating Activities Payments to Acquire Available-for-sale Securities, Debt Proceeds from Sale of Available-for-sale Securities, Debt Proceeds from Maturities, Prepayments and Calls of Available-for-sale Securities Increase (Decrease) in Customer Deposits Net Cash Provided by (Used in) Investing Activities Payments for Repurchase of Common Stock Excess Tax Benefit from Share-based Compensation, Financing Activities Net Cash Provided by (Used in) Financing Activities Effect of Exchange Rate on Cash and Cash Equivalents Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Comprehensive Income Note [Text Block] Segment Reporting Disclosure [Text Block] Other Liabilities Disclosure [Text Block] Long-term Debt [Text Block] Fair Value Disclosures [Text Block] Income Tax Disclosure [Text Block] Stockholders' Equity Note Disclosure [Text Block] Entity Registrant Name Entity Central Index Key Document Type Document Period End Date Amendment Flag Entity Current Reporting Status Entity Filer Category Entity Public Float Entity Common Stock, Shares Outstanding Document and Company Information [Abstract] Document and Company Information [Abstract] Document and Company Information [Abstract]. Operating income from continuing operations Acquisitions [Abstract] Business Combinations [Abstract] Acquisitions [Abstract]. Business Combinations Business Combination Disclosure [Text Block] Current assets before funds held for customers Current Assets Before Funds Held For Customers Current assets before funds held for customers. Beginning Balance, shares Ending Balance, shares Common Stock, Shares, Outstanding Net change in funds held for customers' money market funds and other cash equivalents Net Change In Funds Held For Customers Net change in funds held for customers' money market funds and other cash equivalents. Net proceeds from issuance of common stock under stock plans Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Including Stock Options, Total Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Including Stock Options Cash and Cash Equivalents, Investments and Funds Held for Customers Available-for-sale Securities [Text Block] Treasury stock, at cost Share-based compensation Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition, Value Excess tax benefit from share-based compensation plans Tax benefit from share-based compensation plans Other Purchases of property and equipment Purchases of available-for-sale debt securities Purchases of property and equipment Purchase of treasury stock Other liabilities Income taxes payable Deferred revenue Accrued compensation and related liabilities Accounts payable Share-based compensation Other liabilities Commitments and contingencies Basic net income per share Earnings Per Share, Basic Shares used in basic per share calculations Weighted Average Number of Shares Outstanding, Basic Diluted net income per share Earnings Per Share, Diluted Shares used in diluted per share calculations Weighted Average Number of Shares Outstanding, Diluted Net income (loss) from discontinued operations Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent Net income from continuing operations Income (Loss) from Continuing Operations Attributable to Parent, Total Income (Loss) from Continuing Operations Attributable to Parent Diluted net income (loss) per share from discontinued operations Income (Loss) from Discontinued Operations, Net of Tax, Per Diluted Share Diluted net income per share from continuing operations Income (Loss) from Continuing Operations, Per Diluted Share Basic net income (loss) per share from discontinued operations Income (Loss) from Discontinued Operations, Net of Tax, Per Basic Share Basic net income per share from continuing operations Income (Loss) from Continuing Operations, Per Outstanding Share, Total Income (Loss) from Continuing Operations, Per Basic Share Current assets of discontinued operations Assets of Disposal Group, Including Discontinued Operation, Current Long-term assets of discontinued operations Assets of Disposal Group, Including Discontinued Operation, Noncurrent Current liabilities of discontinued operations Liabilities of Disposal Group, Including Discontinued Operation, Current Proceeds from divestiture of business Proceeds from Divestiture of Businesses Proceeds from Divestiture of Businesses Pre-tax gain on sale of IRES (1) Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax, Total Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax Discontinued Operations Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Current liabilities of discontinued operations Discontinued Operations [Abstract] Other Stockholders' Equity, Other Payments to Acquire Businesses, Net of Cash Acquired, Total Acquisitions of businesses, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Income taxes payable Accrued Income Taxes, Current Pre-tax gain on sale of IRES (1) Other Interest and other income, net Other Nonoperating Income (Expense) Tax payments related to issuance of restricted stock units Tax payments related to issuance of restricted stock units Tax payments related to issuance of restricted stock units.