Accounts payable Accounts Receivable Accounts receivable, net Accrued income taxes Long term income taxes payable Other accrued liabilities Less: Accumulated depreciation Less: Accumulated depreciation Net unrealized gain on available-for-sale securities Net loss expected to be recognized into earnings Net loss on derivative instruments Unfunded portion of pension plans Unfunded portion of pension plans Foreign currency translation adjustments Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated other comprehensive income (loss) Accumulated other comprehensive income (loss) Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Acquired Finite-Lived Intangible Assets by Major Class [Axis] Acquisition Adjustments to reconcile net income to net cash provided by operating activities: Allocated Share-based Compensation Expense Stock-based compensation expense Stock-based compensation expense related to stock awards and ESP Plan purchases, net of tax Stock-based compensation expense related to stock awards and ESP Plan purchases, net of tax Amendment Flag Potentially dilutive shares excluded from the computation of diluted net income per share Architecture, Engineering and Construction Architecture, Engineering and Construction Asia Asia Pacific Assets Assets, Total Assets [Abstract] ASSETS Total current assets Total current assets Current assets: Assets, Fair Value Disclosure Total Assets, Fair Value Disclosure [Abstract] Assets Taxable auction rate securities Available-for-sale Securities, Amortized Cost Basis Amortized Cost Available-for-sale Securities, Debt Maturities, after Five Through Ten Years, Amortized Cost Basis Due in 5 years through 10 years Available-for-sale Securities, Debt Maturities, after Five Through Ten Years, Fair Value Due in 5 years through 10 years Available-for-sale Securities, Debt Maturities, after One Through Five Years, Amortized Cost Basis Due in 1 year through 5 years Available-for-sale Securities, Debt Maturities, after One Through Five Years, Fair Value Due in 1 year through 5 years Available-for-sale Securities, Debt Maturities, after Ten Years, Amortized Cost Basis Due after 10 years Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value Due after 10 years Available-for-sale Securities, Debt Maturities, Amortized Cost Basis Total Available for Sale Securities Debt Maturities, Continuous Unrealized Loss Position, 12 Months Or Longer, Number of Positions Securities in a continuous unrealized loss position for greater than 12 months Available-for-sale Securities, Debt Maturities, within One Year, Amortized Cost Basis Due in 1 year Available-for-sale Securities, Debt Maturities, within One Year, Fair Value Due in 1 year Available-for-sale Securities, Debt Securities Total Available-for-sale Securities, Debt Securities, Noncurrent Convertible debt securities Available-for-sale Securities, Fair Value Disclosure Convertible debt securities Available-for-sale securities gross gains (losses) Gross unrealized gains Gross unrealized losses Gross unrealized losses Balance Sheet Location [Domain] Blue Ridge Numerics, Inc Blue Ridge Numerics, Inc Carrying amount at the balance sheet date of long-lived, depreciable assets that include building structures held for productive use including any addition, improvement, or renovation to the structure as well as the addition of improvements to assets held under lease arrangements. Leasehold improvements, land and buildings, at cost Business Acquisition, Acquiree [Domain] Business Acquisition [Axis] Business acquisition, total consideration Business Acquisition [Line Items] Intangible assets Business Acquisition, Purchase Price Allocation, Assets Acquired (Liabilities Assumed), Net Business Acquisition, Purchase Price Allocation, Assets Acquired (Liabilities Assumed), Net, Total Business Acquisition, Purchase Price Allocation, Current Liabilities, Deferred Revenue Deferred revenue Business Acquisition, Purchase Price Allocation, Deferred Income Tax Liabilities Deferred tax liability Deferred tax liability Business acquisition, goodwill Goodwill Business Acquisition, Purchase Price Allocation, In process research and development In-process research and development Business Acquisition, Purchase Price Allocation, Intangible Assets, Acquired Technology Purchase agreement to acquire certain technology related assets Net tangible assets Business Combinations Computer software, at cost Amortized Cost Cash and cash equivalents Cash and cash equivalents at end of period Cash and cash equivalents at beginning of fiscal year Cash equivalents Net increase in cash and cash equivalents Net increase in cash and cash equivalents Certificates of deposit and time deposits. Certificates of deposit and time deposits Class of Stock [Domain] Closing stock price Closing stock price Commercial Paper and Corporate Debt Securities Commercial paper and corporate debt securities Commercial Paper and Corporate Securities Commercial paper and corporate securities Commercial Paper Commitments and contingencies Commitments and Contingencies Disclosure [Text Block] Commitments and Contingencies Common Stock, Including Additional Paid in Capital Common stock and additional paid-in capital Common stock and additional paid-in capital Common Stock Repurchase Program Common Stock Repurchase Program Deferred Compensation Compensation Related Costs Share Based Payments Disclosure [Line Items] Compensation Related Costs Share Based Payments Disclosure [Line Items] Compensation Related Costs Share Based Payments Disclosure [Table] Compensation Related Costs Share Based Payments Disclosure [Table] Component of Other Operating Cost and Expense, General [Axis] Component of Other Operating Cost and Expense, Name [Domain] Total comprehensive income Total comprehensive income Comprehensive Income Computer Hardware, Gross Computer hardware, at cost Concentration Risk Benchmark [Domain] Concentration Risk by Benchmark [Axis] Concentration of Credit Risk Percentage of gross accounts receivable accounted for by Tech Data Convertible Debt Securities Corporate debt securities Cost and Fair Value of Financial Instruments Disclosure [Table Text Block] Cost and Fair Value of Financial Instruments Disclosure Total cost of revenue Total cost of revenue Cost of revenue: Cost of license and other revenue Current Fiscal Year End Date Customer relationships Debt Disclosure [Line Items] Debt Disclosure [Line Items] Debt Disclosure [Table] Debt Disclosure [Table] Borrowing Arrangements Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items] Deferred compensation liability non-current Deferred compensation liability current Deferred compensation liability Deferred Revenue, Current Deferred revenue Deferred Revenue, Noncurrent Deferred revenue Net deferred tax assets Deferred income taxes Deferred income taxes, net Depreciation and amortization Foreign currency derivative contracts Derivative Contract Type [Domain] Derivative Assets Derivative Liabilities Derivative Financial Instruments, Liabilities, Fair Value Disclosure Foreign currency derivative contracts Derivative financial instruments, maturities, maximum (in months) Derivative Instrument Risk [Axis] Foreign currency forward and option contracts This item represents the entire disclosure related to Investments in Certain Debt and Equity Securities (and certain other trading assets) which include all debt and equity securities (other than those equity securities accounted for under the equity or cost methods of accounting) with readily determinable fair values. Other trading assets include assets that are carried on the balance sheet at fair value and held for trading purposes. A debt security represents a creditor relationship with an enterprise that is in the form of a security. Debt securities include, among other items, US Treasury securities, US government securities, municipal securities, corporate bonds, convertible debt, commercial paper, and all securitized debt instruments. An equity security represents an ownership interest in an enterprise or the right to acquire or dispose of an ownership interest in an enterprise at fixed or determinable prices. Equity securities include, among other things, common stock, certain preferred stock, warrant rights, call options, and put options, but do not include convertible debt. An entity may opt to provide the reader with additional narrative text to better understand the nature of investments in debt and equity securities (and other trading assets). This element is a also used to disclose the entity's entire derivative instruments and hedging activities disclosure as a single block of text. Describes an entity's risk management strategies, derivatives in hedging activities and non-hedging derivative instruments, the assets, obligations, liabilities, revenues and expenses arising there from, and the amounts of and methodologies and assumptions used in determining the amounts of such items. Financial Instruments and Hedging Activities Derivative Instruments and Hedging Activities Disclosure [Line Items] Derivative Instruments and Hedging Activities Disclosure [Line Items] Derivative Instruments and Hedging Activities Disclosure [Table] Derivative Instruments and Hedging Activities Disclosure [Table] Derivative Instruments, Gain (Loss) by Hedging Relationship [Axis] Derivative Instruments, Gain (Loss) by Hedging Relationship, by Income Statement Location, by Derivative Instrument Risk [Table] Derivative Instruments, Gain (Loss) by Income Statement Location [Axis] Derivative Instruments, Gain (Loss) [Line Items] Amount and Location of Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion) Amount and Location of Gain (Loss) Recognized in Income on Derivatives (Ineffective Portion and Amount Excluded from Effectiveness Testing) Amount and Location of Gain (Loss) Recognized in Income on Derivative Amount of Gain (Loss) Recognized in Accumulated OCI on Derivatives (Effective Portion) Derivative financial instruments, maturities, minimum (in months) Derivatives, Fair Value, by Balance Sheet Location [Axis] Derivatives, Fair Value [Line Items] The entire disclosure for a new accounting pronouncements may include a new accounting pronouncement recently adopted and/or a new accounting pronouncement that has been issued but not yet adopted. Recently Issued Accounting Standards Designated as Hedging Instrument Developed technologies Disclosure - Accumulated Other Comprehensive Income (Loss), Net of Taxes [Abstract] Disclosure - Accumulated Other Comprehensive Income (Loss), Net of Taxes [Abstract] Disclosure - Allocation of the Purchase Price Consideration for Blue Ridge [Abstract] Disclosure - Allocation of the Purchase Price Consideration for Blue Ridge [Abstract] Disclosure - Allocation of the Purchase Price Consideration for Scaleform [Abstract] Disclosure - Allocation of the Purchase Price Consideration for Scaleform [Abstract] Disclosure - Assumption Used to Estimate the Fair Value of Stock-Based Awards [Abstract] Disclosure - Assumption Used to Estimate the Fair Value of Stock-Based Awards [Abstract] Disclosure - Available-For-Sale Securities [Abstract] Disclosure - Available-For-Sale Securities [Abstract] Disclosure - Borrowing Arrangements - Additional Information [Abstract] Disclosure - Borrowing Arrangements - Additional Information [Abstract] Disclosure - Business Combinations - Additional Information [Abstract] Disclosure - Business Combinations - Additional Information [Abstract] Disclosure - Changes in the Carrying Amount of Goodwill [Abstract] Disclosure - Changes in the Carrying Amount of Goodwill [Abstract] Disclosure - Common Stock Repurchase Program - Additional Information [Abstract] Disclosure - Common Stock Repurchase Program - Additional Information [Abstract] Disclosure - Components of Other Comprehensive Income (Loss), Net of Taxes [Abstract] Disclosure - Components of Other Comprehensive Income (Loss), Net of Taxes [Abstract] Disclosure - Computation of the Numerators and Denominators Used in the Basic and Diluted Net Income Per Share Amounts [Abstract] Disclosure - Computation of the Numerators and Denominators Used in the Basic and Diluted Net Income Per Share Amounts [Abstract] Disclosure - Computer Equipment, Software, Furniture, Leasehold Improvements and the Related Accumulated Depreciation [Abstract] Disclosure - Computer Equipment, Software, Furniture, Leasehold Improvements and the Related Accumulated Depreciation [Abstract] Disclosure - Concentration of Credit Risk - Additional Information [Abstract] Disclosure - Concentration of Credit Risk - Additional Information [Abstract] Disclosure - Contractual Maturities of Types of Securities [Abstract] Disclosure - Contractual Maturities of Types of Securities [Abstract] Disclosure - Cost and Fair Value of Financial Instruments [Abstract] Disclosure - Cost and Fair Value of Financial Instruments [Abstract] Disclosure - Deferred Compensation - Additional Information [Abstract] Disclosure - Deferred Compensation - Additional Information [Abstract] Disclosure - Effects of Derivative Instruments on Condensed Consolidated Statements of Operations [Abstract] Disclosure - Effects of Derivative Instruments on Condensed Consolidated Statements of Operations [Abstract] Disclosure - Fair Value of Derivative Instruments [Abstract] Disclosure - Fair Value of Derivative Instruments [Abstract] Disclosure - Financial Instruments and Hedging Activities - Additional Information [Abstract] Disclosure - Financial Instruments and Hedging Activities - Additional Information [Abstract] Disclosure - Goodwill - Additional Information [Abstract] Disclosure - Goodwill - Additional Information [Abstract] Disclosure - Income Taxes - Additional Information [Abstract] Disclosure - Income Taxes - Additional Information [Abstract] Disclosure - Information Concerning the Operations of Reportable Segments [Abstract] Disclosure - Information Concerning the Operations of Reportable Segments [Abstract] Disclosure - Information Regarding Operations by Geographic Area [Abstract] Disclosure - Information Regarding Operations by Geographic Area [Abstract] Disclosure - Intrinsic Value of Options Exercised and Weighted Average Grant Date Fair Value of Stock Options Granted [Abstract] Disclosure - Intrinsic Value of Options Exercised and Weighted Average Grant Date Fair Value of Stock Options Granted [Abstract] Disclosure - Investments and Financial Instruments Measured at Fair Value on a Recurring Basis [Abstract] Disclosure - Investments and Financial Instruments Measured at Fair Value on a Recurring Basis [Abstract] Disclosure - Net Income Per Share - Additional Information [Abstract] Disclosure - Net Income Per Share - Additional Information [Abstract] Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Stock-based Compensation Expense Disclosure - Options Outstanding and Exercisable [Abstract] Disclosure - Options Outstanding and Exercisable [Abstract] Disclosure - Other Intangible Assets and Related Accumulated Amortization [Abstract] Disclosure - Other Intangible Assets and Related Accumulated Amortization [Abstract] Disclosure - Reconciliation of the Change in Level 3 Items [Abstract] Disclosure - Reconciliation of the Change in Level 3 Items [Abstract] Disclosure - Restructuring Activities [Abstract] Disclosure - Restructuring Activities [Abstract] Disclosure - Restructuring Reserve - Additional Information [Abstract] Disclosure - Restructuring Reserve - Additional Information [Abstract] Disclosure - Stock-Based Compensation Expense [Abstract] Disclosure - Stock-Based Compensation Expense [Abstract] Disclosure - Stock-Based Compensation Expense - Additional Information [Abstract] Disclosure - Stock-Based Compensation Expense - Additional Information [Abstract] Disclosure - Subsequent Events - Additional Information [Abstract] Disclosure - Subsequent Events - Additional Information [Abstract] Disclosure - Summary of Restricted Stock Award and Restricted Stock Unit Activity [Abstract] Disclosure - Summary of Restricted Stock Award and Restricted Stock Unit Activity [Abstract] Disclosure - Summary of Stock Option Activity [Abstract] Disclosure - Summary of Stock Option Activity [Abstract] The sum of discrete tax items that reconcile the federal statutory tax provision (benefit) to the effective tax provision (benefit) excluding the impact of discrete tax items. Discrete tax (benefit) expense related to stock-based compensation expense Document - Document and Entity Information [Abstract] Document - Document and Entity Information [Abstract] Document Fiscal Period Focus Document Fiscal Year Focus Document Period End Date Document Type Domestic Line of Credit Domestic Line of Credit Basic net income per share Diluted net income per share Earnings Per Share Disclosure [Line Items] Earnings Per Share Disclosure [Line Items] Earnings Per Share Disclosure [Table] Earnings Per Share Disclosure [Table] Net Income Per Share Effective Income Tax Rate Effective tax rate excluding the impact of discrete tax items Effective tax rates Federal statutory tax rate Effect of exchange rate changes on cash and cash equivalents Employee Qualified Stock Purchase Plan, 1998 ESP Plan ESP Plan Accrued compensation Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] Total compensation costs related to non-vested options Total compensation cost related to non-vested awards not yet recognized, weighted average period of recognition (in years) Tax benefit Tax benefit Employee Service Share based Compensation, Unrecognized Compensation Costs on Nonvested Restricted Shares Total compensation cost related to non-vested awards not yet recognized