Accounting Policies [Abstract] Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Social Point Social Point [Member] Social Point [Member] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Retained Earnings Retained Earnings [Member] Additional Paid-in Capital Additional Paid-in Capital [Member] Adjustments for New Accounting Pronouncements [Axis] Adjustments for New Accounting Pronouncements [Axis] Type of Adoption [Domain] Type of Adoption [Domain] Accounting Standards Update 2016-09 Accounting Standards Update 2016-09 [Member] Accounting Standards Update 2016-09 [Member] Accounting Standards Update 2016-09, Forfeiture Rate Component Accounting Standards Update 2016-09, Forfeiture Rate Component [Member] Accounting Standards Update 2016-09, Forfeiture Rate Component [Member] Scenario [Axis] Scenario [Axis] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] Scenario, Adjustment Scenario, Adjustment [Member] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Grand Theft Auto Grand Theft Auto [Member] Grand Theft Auto [Member] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Wholly-owned labels Wholly Owned Labels Represents the number of wholly-owned labels. Estimated service period Estimated Service Period Estimated Service Period Impairment of in-process research and development Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) Deferred tax assets, net Deferred Tax Assets, Net Cumulative effect of new accounting principle Cumulative Effect of New Accounting Principle in Period of Adoption Debt Disclosure [Abstract] Information related to availability on Credit Agreement Schedule of Line of Credit Facilities [Table Text Block] Convertible Debt Convertible Debt [Table Text Block] Schedule of Components of Interest Expense Related to Convertible Debt Schedule of Components of Interest Expense Related to Convertible Debt [Table Text Block] Tabular disclosure of components of interest expense associated with convertible debts. Income Statement [Abstract] Net revenue Revenue, Net Cost of goods sold Cost of Goods Sold Gross profit Gross Profit Selling and marketing Selling and Marketing Expense General and administrative General and Administrative Expense Research and development Research and Development Expense, Software (Excluding Acquired in Process Cost) Depreciation and amortization Depreciation, Depletion and Amortization Business reorganization Restructuring Charges Total operating expenses Operating Expenses Income (loss) from operations Operating Income (Loss) Interest and other, net Other Nonoperating Income (Expense) Gain on long-term investments, net Gain (Loss) on Sale of Investments Income (loss) before income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest (Benefit from) provision for income taxes Income Tax Expense (Benefit) Net income (loss) Net Income (Loss) Attributable to Parent Earnings (loss) per share: Earnings Per Share [Abstract] Basic earnings (loss) per share (in dollars per share) Earnings Per Share, Basic Diluted earnings (loss) per share (in dollars per share) Earnings Per Share, Diluted Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative [Table] Derivative [Table] Hedging Relationship [Axis] Hedging Relationship [Axis] Hedging Relationship [Domain] Hedging Relationship [Domain] Cash Flow Hedging Cash Flow Hedging [Member] Derivative Instrument [Axis] Derivative Instrument [Axis] Derivative Contract [Domain] Derivative Contract [Domain] Cross-currency swap Currency Swap [Member] Derivative [Line Items] Derivative [Line Items] Forward contracts to sell foreign currencies Derivative Notional Amount To Sell Represents the notional amount of derivative instruments to sell. Forward contracts to purchase foreign currencies Derivative Notional Amount To Buy Represents the notional amount of derivative instruments to buy. Derivative instrument not designated as hedging instruments, gain (loss), net Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net Derivative, notional amount Derivative, Notional Amount Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Accumulated Other Comprehensive Loss [Table] Accumulated Other Comprehensive Income (Loss) [Table] Foreign currency translation adjustments Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Unrealized gain (loss) on derivative instruments Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] Unrealized gain (loss) on cross-currency swap Accumulated Net Gain (Loss) from Cross Currency Swap [Member] Accumulated Net Gain (Loss) from Cross Currency Swap [Member] Unrealized gain (loss) on available-for-sale securities Accumulated Net Investment Gain (Loss) Attributable to Parent [Member] Accumulated Other Comprehensive Loss Accumulated Other Comprehensive Income (Loss) [Line Items] Changes in accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss) [Roll Forward] No definition available. Balance Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Other comprehensive income before reclassifications Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Amounts reclassified from accumulated other comprehensive loss Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Balance Liabilities, Current [Abstract] ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES Accrued Expenses and Other Current Liabilities Disclosure [Text Block] Description of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Also describes the current obligations not separately disclosed in the balance sheet due to materiality considerations. Current liabilities are expected to be paid within one year (or the normal operating cycle, if longer). Commitments and Contingencies Disclosure [Abstract] Legal and Other Proceedings Loss Contingency, Information about Litigation Matters [Abstract] Damages claimed (at least) Loss Contingency, Damages Sought, Value Document and Entity Information Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Document Type Document Type Document Period End Date Document Period End Date Amendment Flag Amendment Flag Current Fiscal Year End Date Current Fiscal Year End Date Entity Current Reporting Status Entity Current Reporting Status Entity Filer Category Entity Filer Category Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Adjustments [Table] Adjustments [Table] Adjustments [Table] Restatement Adjustment Restatement Adjustment [Member] Adjustments [Line Items] Adjustments [Line Items] [Line Items] for Adjustments [Table] Change in net revenue Revenues Change in income from operations Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent Change in net income Change in earnings per share, basic (usd per share) Earnings Per Share Policy, Basic Change in earnings per share, diluted (usd per share) Earnings Per Share Policy, Diluted Changes in Revenue Recognition Changes in Revenue Recognition [Table Text Block] Changes in Revenue Recognition [Table Text Block] MANAGEMENT AGREEMENT MANAGEMENT AGREEMENT Management Agreement Disclosure [Text Block] Description of management services agreement entered into by the Company. DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES Derivative Instruments and Hedging Activities Disclosure [Text Block] Income Tax Disclosure [Abstract] New Accounting Pronouncement, Early Adoption [Table] New Accounting Pronouncement, Early Adoption [Table] New Accounting Pronouncement, Early Adoption [Line Items] New Accounting Pronouncement, Early Adoption [Line Items] Statutory rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Effective rate Effective Income Tax Rate Reconciliation, Percent Excess tax benefits Effective Income Tax Rate Reconciliation, Share-based Compensation, Excess Tax Benefit, Amount Effective Income Tax Rate Reconciliation, Share-based Compensation, Excess Tax Benefit, Amount Tax credits Income Tax Credits and Adjustments Valuation allowance Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount Restructuring and Related Activities [Abstract] Schedule of Restructuring and Related Costs [Table] Schedule of Restructuring and Related Costs [Table] Restructuring Type [Axis] Restructuring Type [Axis] Type of Restructuring [Domain] Type of Restructuring [Domain] Reorganization Activities Reorganization Activities [Member] Reorganization Activities [Member] Restructuring Plan [Axis] Restructuring Plan [Axis] Restructuring Plan [Domain] Restructuring Plan [Domain] Fiscal 2018 Plan Fiscal 2018 Plan [Member] Fiscal 2018 Plan [Member] Balance Sheet Location [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Accrued Expenses and Other Current Liabilities Accrued Expenses And Other Current Liabilities [Member] Represents accrued expenses and other current liabilities. Other long-term liabilities Other Noncurrent Liabilities [Member] Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Restructuring charges Restructuring reserve Restructuring Reserve Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Convertible Debt Convertible Debt [Member] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] 1.00% Convertible Notes due 2018 Convertible Senior Notes1.00 Percent Due In2018 [Member] Represents the convertible senior notes, which will mature in 2018 and bear an interest rate of 1.00 percent. Debt Instrument [Line Items] Debt Instrument [Line Items] Interest rate Debt Instrument, Interest Rate, Stated Percentage Additional paid-in capital Additional Paid in Capital Principal amount of Convertible Notes Long-term Debt, Gross Unamortized discount of the liability component Debt Instrument, Unamortized Discount Carrying amount of debt issuance costs Debt Issuance Costs, Net Net carrying amount of Convertible Notes Long-term Debt Fair Value Disclosures [Abstract] Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value Measurements, Recurring and Nonrecurring [Table] Measurement Frequency [Axis] Measurement Frequency [Axis] Fair Value, Measurement Frequency [Domain] Fair Value, Measurement Frequency [Domain] Fair Value, Measurements, Recurring Fair Value, Measurements, Recurring [Member] Fair Value, Hierarchy [Axis] Fair Value, Hierarchy [Axis] Fair Value Hierarchy [Domain] Fair Value Hierarchy [Domain] Quoted prices in active markets for identical assets (level 1) Fair Value, Inputs, Level 1 [Member] Significant other observable inputs (level 2) Fair Value, Inputs, Level 2 [Member] Significant unobservable inputs (level 3) Fair Value, Inputs, Level 3 [Member] Asset Class [Axis] Asset Class [Axis] Asset Class [Domain] Asset Class [Domain] Money market funds Money Market Funds [Member] Bank-time deposits Bank Time Deposits [Member] Commercial paper Commercial Paper [Member] Mutual funds Mutual Fund [Member] Cash and cash equivalents Cash and Cash Equivalents [Member] Short-term investments Short-term Investments [Member] Prepaid expenses and other Prepaid Expenses and Other Current Assets [Member] Accrued expense and other current liabilities Other assets Other Assets [Member] Assets measured at fair value on a recurring basis Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Cash and cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Corporate bonds Corporate bonds held as short term investments Corporate bonds held as short term investments. Foreign currency forward contracts Derivative Asset Foreign currency forward contracts Derivative Liability Private equity Other Assets, Fair Value Disclosure Contingent consideration Contingent Consideration, Fair Value Disclosure, Liability Contingent Consideration, Fair Value Disclosure, Liability Total recurring fair value measurements, net Fair Value, Net Asset (Liability) Schedule of computation of basic and diluted loss per share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Statement of Cash Flows [Abstract] Operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Net income (loss) Adjustments to reconcile net income (loss) to net cash provided by operating activities: Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Amortization and impairment of software development costs and licenses Amortization and Impairment of Software Development Costs and Licenses The aggregate amortization expense charged against earnings of software development costs and licenses. Also includes the amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of software development costs and licenses to net realizable value. Depreciation Depreciation Amortization and impairment of intellectual property Amortization and Impairment of Intellectual Property The aggregate amortization expense charged against earnings of intellectual property. Also includes the amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of intellectual property to net realizable value. Stock-based compensation Share-based Compensation Amortization of discount on Convertible Notes Amortization of Debt Discount (Premium) Gain on conversions of Convertible Notes Gain on Conversion of Convertible Notes Gain on Conversion of Convertible Notes Amortization of debt issuance costs Amortization of Debt Issuance Costs Other, net Other Noncash Income (Expense) Changes in assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Restricted cash Increase (Decrease) in Restricted Cash for Operating Activities Accounts receivable Increase (Decrease) in Accounts Receivable Inventory Increase (Decrease) in Inventories Software development costs and licenses Increase (Decrease) in Software Development Costs and Licenses The net change during the reporting period in software development and license costs. Reflects the change in both current and noncurrent portions. Prepaid expenses and other assets Increase (Decrease) in Prepaid Expense and Other Assets Deferred revenue Increase (Decrease) in Deferred Revenue Deferred cost of goods sold Increase (Decrease) in Deferred Charges Accounts payable, accrued expenses and other liabilities Accounts Payable, Accrued Expenses, Income Taxes Payable and Other Liabilities The net change during the reporting period in the aggregate amount of obligations, expenses incurred but not paid, and amount of cash payments due to taxing authorities for taxes that are based on the reporting entity's earnings. Net cash provided by (used in) operating activities Net Cash Provided by (Used in) Operating Activities Investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Change in bank time deposits Increase (Decrease) in Time Deposits Proceeds from available-for-sale securities Proceeds from Sale and Maturity of Available-for-sale Securities Purchases of available-for-sale securities Payments to Acquire Short-term Investments Purchases of fixed assets Payments to Acquire Property, Plant, and Equipment Asset acquisition Payments to Acquire Other Productive Assets Proceeds from sale of long-term investment Payments for (Proceeds from) Investments Proceeds from sale of long-term investment Payments to Acquire Long-term Investments Net cash (used in) provided by investing activities Net Cash Provided by (Used in) Investing Activities Financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Excess tax benefit from stock-based compensation Excess Tax Benefit from Share-based Compensation, Financing Activities Tax payment related to net share settlements on restricted stock awards Payments Related to Tax Withholding for Share-based Compensation Net cash used in financing activities Net Cash Provided by (Used in) Financing Activities Effects of foreign currency exchange rates on cash and cash equivalents Effect of Exchange Rate on Cash and Cash Equivalents Net change in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Cash and cash equivalents, beginning of year Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents, end of period Software development royalties Accrued Royalties, Current Business reorganization Restructuring Reserve, Current Licenses Accrued Licenses, Current Carrying value as of the balance sheet date of obligations incurred through that date and payable for licenses. Used to reflect the current portion of liabilities (due within one year or within the normal operating cycle if longer). Compensation and benefits Employee-related Liabilities, Current Deferred acquisition payments Deferred Acquisition Payments Deferred Acquisition Payments Marketing and promotions Accrued Marketing Costs, Current Other Other Accrued Liabilities, Current Accrued expenses and other current liabilities Accrued Liabilities, Current DEBT Long-term Debt [Text Block] Investments, Debt and Equity Securities [Abstract] SHORT-TERM INVESTMENTS Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block] Debt Conversion Terms [Axis] Debt Conversion Terms [Axis] Information about specific conversion terms for debt instruments or borrowings. Debt Conversion Terms [Domain] Debt Conversion Terms [Domain] The types of activity with various conversion terms for debt instruments or borrowings. Conversion Terms at Holder's Option Debt Conversion Holder Option [Member] Represents debt conversion terms for holders of convertible debt. Conversion Terms upon Occurrence of Certain Fundamental Company Changes Debt Conversion Fundamental Company Change [Member] Represents debt conversion terms in the event of occurrence of certain fundamental changes involving the entity. Conversion Terms, Event of Default Debt Conversion Event Of Default [Member] Represents debt conversion terms in the event of default. Range [Axis] Range [Axis] Range [Domain] Range [Domain] Minimum Minimum [Member] Maximum Maximum [Member] DEBT Convertible Notes Debt Instruments [Abstract] Principal amount at issuance Debt Instrument, Face Amount Percentage of par value at which debt was issued Debt Instrument, Issuance as Percentage of Par Value Represents the amount of debt issued as a percentage of its par value. Proceeds from issuance of debt Proceeds from Convertible Debt Period of overallotment option to purchase additional amount of debt granted to underwriters Debt Instrument, Period of Overallotments Option to Underwriters Represents the period of overallotments option to purchase debt instrument, granted to underwriters. Additional amount of debt for purchase of which overallotment option is granted to underwriters Debt Instrument, Overallotments Option to Underwriters Represents the amount of debt instrument for purchase of which overallotments option is granted to underwriters. Amount pertaining to exercise of over-allotment of debt by underwriters Debt Instrument, Exercise of over Allotment Option by Underwriters Represents the amount of debt issued as a result of the exercise of an over-allotment option by the underwriters. Initial conversion rate of common stock per $1000 of principal amount of Convertible Notes (in shares) Debt Instrument, Convertible, Conversion Ratio Principal amount used for debt instrument conversion ratio Debt Instrument, Principal Amount Denominator for Conversion into Common Stock The principal amount of notes used as denominator for purposes of computing the conversion ratio of convertible debt. Initial conversion price of convertible notes into common stock (in dollars per share) Debt Instrument, Convertible, Conversion Price Number of shares to be converted into common stock Debt Instrument, Convertible, Number of Equity Instruments Number of trading days triggering conversion of redemption feature Debt Instrument, Convertible, Threshold Consecutive Trading Days Target ratio of closing share price to conversion price as a condition for conversion or redemption of Convertible Notes (as a percent) Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger Number of trading days in the measurement period that the entity's common stock closing price to conversion price must exceed a specified percentage of conversion price to trigger conversion feature of notes Debt Instrument, Convertible, Threshold Trading Days Ratio of closing share price to conversion price as a condition for conversion of Convertible Notes (as a percent) Percentage on Conversion Price of Closing Price of Common Stock Traded for At Least 5 Consecutive Trading Days out of 10 Consecutive Trading Days in the Measurement Period on Last Trading Day of Previous Quarter Option of Holder This element represents one of the conditions for conversion of convertible notes at the option of the holder if the trading price falls below a defined percentage of the product of the last reported sale price of the entity's common stock and the applicable conversion rate on each day within the measurement period. Converted instrument amount Debt Conversion, Converted Instrument, Amount Percentage of principal amount for computation of redemption price Debt Instrument Percentage of Principal Amount for Computation of Redemption Price Represents the percentage of principal amount used in computation of the redemption price to be paid on conversion of convertible notes. Minimum percentage of aggregate principal amount held by bondholders to declare notes due and payable Debt Instrument, Convertible Event of Default Minimum Percentage of Aggregate Principal Held to File Notice to Declare Notes Due and Payable In the event of default, the minimum percentage of aggregate principal of notes held by a class of bondholders qualifying eligibility to declare principal of and accrued and unpaid interest due and payable. In event of default arising out of certain bankruptcy events, the percentage of principal amount due and payable Debt Instrument, Convertible Event of Default Bankruptcy Percentage of Principal Payable and Due The percentage of principal that will automatically become due and payable upon the default arising out of certain bankruptcy events. Estimated fair value of convertible notes Convertible Debt, Fair Value Disclosures Non-convertible borrowing rate Fair Value Inputs, Borrowing Rate Represents the borrowing rate at which loans are granted, used as an input to measure fair value. Carrying amount of the equity component of convertible notes Debt Instrument, Convertible, Carrying Amount of Equity Component Banking, legal and accounting fees related to issuance of convertible notes Debt Issuance Costs, Gross Banking, legal and accounting fees related to issuance of convertible notes allocated to the liability component Deferred Finance Costs Gross, Allocated to Liability Component For an unclassified balance sheet, the amount as of the balance sheet date of capitalized costs associated with the issuance of debt instruments (for example, legal, accounting, underwriting, printing, and registration costs) that will be charged against earnings over the life of the debt instruments to which such costs pertain which is allocated to liability component. Banking, legal and accounting fees related to issuance of convertible notes allocated to the equity component Deferred Finance Costs Gross, Related to Equity Component For an unclassified balance sheet, the amount as of the balance sheet date of capitalized costs associated with the issuance of debt instruments (for example, legal, accounting, underwriting, printing, and registration costs) that will be charged against earnings over the life of the debt instruments to which such costs pertain which is allocated to equity component. The value by which Convertible Notes exceed the principal value Debt Instrument, Convertible, If-converted Value in Excess of Principal Schedule of gross notional amounts of foreign currency forward contracts Schedule of Derivative Instruments [Table Text Block] Performance Range [Axis] Performance Range [Axis] Performance Range [Axis] Performance Range [Domain] Performance Range [Domain] [Domain] for Performance Range [Axis] Performance Period, One Performance Period, One [Member] Performance Period, One [Member] Performance Period, Two Performance Period, Two [Member] Performance Period, Two [Member] Reduction in general and administrative Performance Measurement Period Performance Measurement Period Performance measurement period. Schedule of components of accrued expenses and other current liabilities Schedule of Accrued Liabilities [Table Text Block] SOFTWARE DEVELOPMENT COSTS AND LICENSES SOFTWARE DEVELOPMENT COSTS AND LICENSES Software Development Costs and Licenses Disclosure [Text Block] Description containing details of capitalized software development costs and licenses. EARNINGS (LOSS) PER SHARE (EPS) Earnings Per Share [Text Block] Basis of Presentation Basis of Presentation and Significant Accounting Policies [Text Block] Revenue Recognition Revenue Recognition, Software [Policy Text Block] Recently Issued Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] FAIR VALUE MEASUREMENTS Fair Value Disclosures [Text Block] Segregation of all assets and liabilities measured at fair value on a recurring basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Schedule of components of accumulated other comprehensive loss Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] ACCUMULATED OTHER COMPREHENSIVE LOSS Comprehensive Income (Loss) Note [Text Block] Statement of Financial Position [Abstract] Accounts receivable, allowances (in dollars) Allowance for Doubtful Accounts Sales Returns and Discounts A provision for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible, an estimate for product returns, and an estimate for price protection. Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Preferred stock, shares authorized Preferred Stock, Shares Authorized Preferred stock, shares issued Preferred Stock, Shares Issued Preferred stock, shares outstanding Preferred Stock, Shares Outstanding Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Common stock, shares authorized Common Stock, Shares Authorized Common stock, shares issued Common Stock, Shares, Issued Common stock, shares outstanding Common Stock, Shares, Outstanding Treasury stock, shares Treasury Stock, Shares Schedule of restricted stock units granted Restricted Stock Units Granted To Nonemployees [Table Text Block] Tabular disclosure of the number of restricted stock units were granted to non employees during the period. Inventory Disclosure [Abstract] Inventory balances by category Schedule of Inventory, Current [Table Text Block] Cash interest expense (coupon interest expense) Interest Expense, Debt Non-cash amortization of discount on Convertible Notes Total interest expense related to Convertible Notes Interest Expense Schedule of Related Party Transactions, by Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] Related Party [Axis] Related Party [Axis] Related Party [Domain] Related Party [Domain] Zelnick Media Corporation Zelnick Media Corporation [Member] Represents the information pertaining to Zelnick Media Corporation. Type of Arrangement and Non-arrangement Transactions [Axis] Type of Arrangement and Non-arrangement Transactions [Axis] Arrangements and Non-arrangement Transactions [Domain] Arrangements and Non-arrangement Transactions [Domain] 2014 Management Agreement Management Agreement March2014 [Member] Represents the March 2014 Amendment to the Management Agreement. Award Type [Axis] Award Type [Axis] Equity Award [Domain] Equity Award [Domain] Time-based restricted units Time Based Restricted Units [Member] Represents stock based compensation awards that are restricted based on time. Market-based restricted stock Market Based Restricted Stock [Member] Market-based restricted stock as awarded by the entity to its employees as a form of incentive compensation. Market-based restricted units Market Based Restricted Units [Member] Represents market based restricted units. Performance-based restricted units Performance Based Restricted Units [Member] Represents stock-based compensation that is based on performance. New IP New Ip [Member] Represents New IP stock-based compensation expense based on performance Major IP Major Ip [Member] Represents Major IP stock-based compensation expense based on performance Restricted stock units Restricted Stock Units (RSUs) [Member] Restricted stock awards Restricted Stock Awards [Member] Restricted stock awards as awarded by the entity to its employees as a form of incentive compensation. Management Agreement Related Party Transaction [Line Items] Annual management fee Related Party Transaction, Annual Management Fee Represents the amount of annual management fee with respect to management services agreement. Bonus per fiscal year based on the achievement of certain performance thresholds Related Party Transaction, Bonus Per Fiscal Year Represents the amount of bonus per fiscal year based on the achievement of certain performance thresholds with respect to management services agreement. Consulting expense benefit Related Party Transaction, Consulting Expense (Benefit) Represents the amount of consulting expense benefit with respect to management services agreement. Stock-based compensation expense for non-employee awards Issuance of Stock and Warrants for Services or Claims Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Measurement period Share Based Compensation Arrangement By Share Based Payment Award, Award Measurement Period Represents the measurement period of certain performance metrics, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Percentage of grants earned Share Based Compensation Arrangement by Share Based Payment Award Equity Instruments other than Option Percentage of Grants Tied to Performance Measure As Defined In Agreement Represents the percentage of grants tied to certain performance measures as defined in the relevant grant agreement. Vesting requirement for market-based restricted stock Share-based Compensation Arrangement by Share-based Payment Award, Terms of Award Unvested portion of the shares of restricted stock granted Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Vested (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Forfeited (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period COMMITMENTS AND CONTINGENCIES Commitments and Contingencies Disclosure [Text Block] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Restricted stock Restricted Stock [Member] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive shares excluded from calculation of EPS (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Restricted stock awards, vested (in shares) Restricted stock awards, granted (in shares) Restricted stock awards, canceled (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Forfeited Computation of Basic earnings (loss) per share: Earnings Per Share, Basic and Diluted [Abstract] Less: net income allocated to participating securities Undistributed Earnings (Loss) Allocated to Participating Securities, Basic Net income (loss) for basic earnings (loss) per share calculation Net Income (Loss) Available to Common Stockholders, Basic Total weighted average shares outstanding—basic (in shares) Weighted Average Number of Shares Outstanding, Basic Less: weighted average participating shares outstanding (in shares) Incremental Common Shares Attributable to Participating Nonvested Shares with Non-forfeitable Dividend Rights Weighted average common shares outstanding—basic (in shares) Weighted average common shares outstanding - basic Number of basic shares or units, after adjustments. Earnings Per Share, Diluted [Abstract] Earnings Per Share, Diluted [Abstract] Less: net income allocated to participating securities Undistributed Earnings (Loss) Allocated to Participating Securities, Diluted Add: interest expense, net of tax, on Convertible Notes Net income (loss) for diluted earnings (loss) per share calculation Net Income (Loss) Available to Common Stockholders, Diluted Add: dilutive effect of common stock equivalents (in shares) Weighted Average Number Diluted Shares Outstanding Adjustment Weighted average common shares outstanding—diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Weighted average common shares outstanding- diluted (in shares) Weighted average common shares outstanding - diluted Number of diluted shares or units, after adjustments. Finished products Inventory, Finished Goods, Net of Reserves Parts and supplies Inventory, Raw Materials and Supplies, Net of Reserves Inventory Inventory, Net Estimated product returns included in inventory Inventory Estimated Product Returns The estimated amount of product returns included in inventory. Software development costs, internally developed Software Internal Development [Member] Internally developed software for sale or licensing. Software development costs, externally developed Software External Development [Member] Externally developed software for sale or licensing. Licenses Software Licenses [Member] Capitalized costs of licenses required for the development of software applications and capitalized costs to develop software for sale or licensing. Not for internal use software. Software development costs and licenses, Current Software Development Costs and Licenses, Current The current portion of unamortized costs incurred for development of computer software, which is to be sold, leased or otherwise marketed, after establishing technological feasibility through to the general release of the software products and license fees paid to intellectual property rights holders for use of their trademarks, copyrights, software, technology, music, or other intellectual property or proprietary rights. Excludes capitalized costs of developing software for internal use. Software development costs and licenses, Non-current Software Development Costs and Licenses, Noncurrent The noncurrent portion of unamortized costs incurred for development of computer software, which is to be sold, leased or otherwise marketed, after establishing technological feasibility through to the general release of the software products and license fees paid to intellectual property rights holders for use of their trademarks, copyrights, software, technology, music, or other intellectual property or proprietary rights. Excludes capitalized costs of developing software for internal use. Software development impairment charges Software Development Impairment Charges The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of capitalized software development costs. Shares reclassified (in shares) Share Based Compensation Arrangement by Share-based Payment Award, Shares Reclassified Share Based Compensation Arrangement by Share-based Payment Award, Shares Reclassified Shares reclassified Share Based Compensation, Shares Reclassified, Amount Share Based Compensation, Shares Reclassified, Amount Incremental cost Share-based Compensation Arrangement by Share-based Payment Award, Plan Modification, Incremental Compensation Cost Software development costs and royalties Software Development Costs and Royalties Software Development Costs and Royalties Research and development Software Development Costs, Research and Development Software Development Costs, Research and Development Capitalized costs, net Software Development Capitalized Costs, Net Software Development Capitalized Costs, Net Unrecognized compensation cost Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options ASSETS Assets [Abstract] Current assets: Assets, Current [Abstract] Cash and cash equivalents Short-term investments Short-term Investments Restricted cash Restricted Cash and Cash Equivalents Accounts receivable, net of allowances of $50,109 and $66,483 at September 30, 2017 and March 31, 2017, respectively Accounts Receivable, Net, Current Inventory Software development costs and licenses Deferred cost of goods sold Deferred Costs, Current Prepaid expenses and other Prepaid Expense and Other Assets, Current Total current assets Assets, Current Fixed assets, net Property, Plant and Equipment, Net Software development costs and licenses, net of current portion Deferred cost of goods sold, net of current portion Deferred Costs, Noncurrent Goodwill Goodwill Other intangibles, net Finite-Lived Intangible Assets, Net Other assets Other Assets, Noncurrent Total assets Assets LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities and Equity [Abstract] Current liabilities: Accounts payable Accounts Payable, Current Accrued expenses and other current liabilities Deferred revenue Deferred Revenue, Current Total current liabilities Liabilities, Current Long-term debt Long-term Debt, Excluding Current Maturities Non-current deferred revenue Deferred Revenue, Noncurrent Other long-term liabilities Other Liabilities, Noncurrent Total liabilities Liabilities Commitments and Contingencies (See Note 12) Commitments and Contingencies Stockholders' equity: Stockholders' Equity Attributable to Parent [Abstract] Preferred stock, $.01 par value, 5,000 shares authorized; no shares issued and outstanding at September 30, 2017 and March 31, 2017 Preferred Stock, Value, Issued Common stock, $.01 par value, 200,000 shares authorized; 130,723 and 119,813 shares issued and 113,531 and 102,621 outstanding at September 30, 2017 and March 31, 2017, respectively Common Stock, Value, Issued Additional paid-in capital Additional Paid in Capital, Common Stock Treasury stock, at cost; 17,192 common shares at September 30, 2017 and March 31, 2017 Treasury Stock, Value Accumulated deficit Retained Earnings (Accumulated Deficit) Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Total stockholders' equity Stockholders' Equity Attributable to Parent Total stockholders' equity Liabilities and Equity BUSINESS REORGANIZATION Restructuring and Related Activities Disclosure [Text Block] Statement of Comprehensive Income [Abstract] Other comprehensive income (loss): Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Foreign currency translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent Cash flow hedges: Cash Flow Hedges [Abstract] Cash Flow Hedges [Abstract] Change in fair value of effective cash flow hedge Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax Unrealized gain (loss), net on available-for-sale securities, net of taxes Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax Reclassification to earnings for realized (gains) losses, net on available for sale securities, net of taxes Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax Change in fair value of available for sale securities Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Attributable to Parent Trading Securities [Table] Trading Securities [Table] Major Types of Debt and Equity Securities [Axis] Major Types of Debt and Equity Securities [Axis] Major Types of Debt and Equity Securities [Domain] Major Types of Debt and Equity Securities [Domain] Bank time deposits Bank Time Deposit [Member] Bank time deposit member Corporate bonds Corporate Debt Securities [Member] Schedule of Available-for-sale Securities [Line Items] Schedule of Available-for-sale Securities [Line Items] Cost or Amortized Cost Available-for-sale Securities, Amortized Cost Basis Gross Unrealized Gain Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax Gross Unrealized Loss Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax Fair Value Available-for-sale Securities Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Rolling Maturity [Abstract] Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Rolling Maturity [Abstract] Amortized cost, Due in 1 year or less Available-for-sale Securities, Debt Maturities, Next Twelve Months, Amortized Cost Basis Amortized cost, Due in 1-2 years Available For Sale Securities Debt Maturities After One Through Two Years Amortized Cost Amount of available-for-sale debt securities at cost, net of adjustments, maturing in the first rolling twelve months through the second rolling twelve months following the latest balance sheet presented. Adjustments include, but are not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized in earnings (less any cumulative-effect adjustments, as defined) and fair value hedge accounting adjustments. Total amortized cost Available-for-sale Debt Securities, Amortized Cost Basis Available-for-sale Securities, Debt Maturities, Fair Value, Rolling Maturity [Abstract] Available-for-sale Securities, Debt Maturities, Fair Value, Rolling Maturity [Abstract] Fair value, Due in 1 year or less Available-for-sale Securities, Debt Maturities, Next Twelve Months, Fair Value Fair value, Due in 1-2 years Available For Sale Securities Debt Maturities, Rolling Year One Through Two Fair Value Amount of available-for-sale debt securities at fair value maturing in the first rolling twelve months through the second rolling twelve months following the latest balance sheet presented. Total fair value Available-for-sale Securities, Debt Securities INCOME TAXES Income Tax Disclosure [Text Block] INVENTORY Inventory Disclosure [Text Block] Credit Agreement Line of Credit [Member] Letter of Credit Letter of Credit [Member] Variable Rate [Axis] Variable Rate [Axis] Variable Rate [Domain] Variable Rate [Domain] Base rate Base Rate [Member] LIBOR London Interbank Offered Rate (LIBOR) [Member] Credit Agreement Line of Credit Facility [Abstract] Maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Amount of additional borrowings by which maximum borrowing capacity may be increased Line of Credit Facility Optional Increase Additional Borrowings Represents the amount of additional borrowings by which the maximum borrowing capacity on credit facility may be increased at the option of the reporting entity pursuant to the terms of the credit agreement. Interest rate added to base rate Debt Instrument, Basis Spread on Variable Rate Interest rate, variable rate basis Debt Instrument, Description of Variable Rate Basis Interest rate at end of period Debt Instrument, Interest Rate, Effective Percentage Monthly fee on unused available balance (as a percent) Line of Credit Facility, Unused Capacity, Commitment Fee Percentage Outstanding borrowings Long-term Line of Credit Credit Agreement Availability Line of Credit Facility Availability [Abstract] Minimum liquidity level allowing unrestricted access to the Credit Agreement Debt Instrument Minimum Liquidity of Domestic Operations The minimum amount of liquidity of domestic operations that would allow the Company unrestricted access to the Credit Agreement. Available borrowings Line of Credit Facility, Remaining Borrowing Capacity Outstanding letters of credit Letters of Credit Outstanding, Amount Interest expense and fees Interest and Debt Expense Interest coverage ratio Debt Instrument Covenant Interest Rate Coverage Ratio Represents the interest coverage ratio for the trailing twelve month period. Trailing period for measurement of interest coverage ratio Debt Instrument Covenant Interest Rate Coverage Ratio Period Represents the trailing period over which the interest coverage ratio is measured. Maximum liquidity level triggering the requirement to maintain an interest coverage ratio of one to one Debt Instrument Maximum Liquidity of Domestic Operations The maximum amount of liquidity of domestic operations that would require the Company to maintain an interest coverage ratio of one to one. Schedule of short-term investments Available-for-sale Securities [Table Text Block] Summary of the contracted maturities of short-term investments Investments Classified by Contractual Maturity Date [Table Text Block] Schedule of capitalized software development costs and licenses Schedule of Capitalized Software Development Costs and Licenses [Table Text Block] Tabular disclosure of the components of software development costs and licenses.