Accounting Policies [Abstract] Accounting Policies [Abstract] Accounts Payable And Accrued Liabilities Disclosure [Text Block] Other Accrued Liabilities Accounts Payable Current Accounts payable Accounts Receivable By Major Customers [Line Items] Accounts Receivable By Major Customers [Line Items] Accounts Receivable By Major Customers [Line Items] Accounts Receivable By Major Customers [Table] Accounts Receivable By Major Customers [Table] Accounts Receivable By Major Customers [Table] Accounts Receivable [Member] Accounts Receivable [Member] Accounts Receivable Net Current Accounts receivable, net of allowances of $883 at September 30, 2013 and June 30, 2013 Accretion on investment securities. Accretion On Investment Securities Investment securities accretion Accrued Income Taxes Current Income taxes payable Accrued liabilities for inventory purchase. Accrued Liabilities For Inventory Purchase Inventory obligations Accumulated Depreciation Depletion And Amortization Property Plant And Equipment Property and equipment, accumulated depreciation Accumulated Other Comprehensive Income Loss Net Of Tax Accumulated other comprehensive income Additional Paid In Capital Common Stock Additional paid-in capital Adjustments Related To Tax Withholding For Share Based Compensation Shares valued withheld to meet statutory minimum tax withholding requirements 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: Allocated Share Based Compensation Expense Share-based compensation costs Total Allowance For Doubtful Accounts Receivable Current Allowance for doubtful accounts receivable Amendment Flag Amendment Flag Amortization Of Intangible Assets Acquired intangibles amortization Total amortization expense for intangible assets Amortized Cost and Fair Value Debt Securities [Abstract] Amortized Cost And Fair Value Debt Securities [Abstract] Amortized Cost and Fair Value Debt Securities [Abstract] Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount Share-based awards Antidilutive Securities Excluded From Computation Of Earnings Per Share By Antidilutive Securities [Axis] Antidilutive Securities [Axis] Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Name [Domain] Antidilutive Securities, Name [Domain] Assets Total assets Assets Current Total current assets Assets Current [Abstract] Current Assets: Auction rate securities at investment grade. Auction Rate Securities At Investment Grade ARS investments, investment grade Auction rate securities below investment grade. Auction Rate Securities Below Investment Grade ARS investments, below investment grade Auction rate securities investments. Auction Rate Securities Investments Table [Text Block] ARS Investments Auction rate securities maturing year of specified amount one. Auction Rate Securities Maturing Year Of Specified Amount One Maturity period one Auction rate securities maturing year of specified amount two. Auction Rate Securities Maturing Year Of Specified Amount Two Maturity period two Auction Rate Securities [Member] Auction Rate Securities [Member] Auction rate securities. Auction Rate Securities [Text Block] Auction Rate Securities Auction rate securities with fair value having no stated maturity. Auction Rate Securities With Fair Value Having No Stated Maturity Auction rate securities with fair value having no stated maturity Auction rate securities with fair value maturing from stated period. Auction Rate Securities With Fair Value Maturing From Stated Period Auction Rate Securities with fair value maturing from 2043 to 2045 Auction rate securities with fair value maturing within specified period. Auction Rate Securities With Fair Value Maturing Within Specified Period Auction Rate Securities with fair value maturing from 2015 to 2017 Available For Sale Securities Total available-for-sale securities Fair Value Net amount of the difference between the fair value and cost of investments in available for sale securities. Available For Sale Securities Gross Unrealized Gain Loss Accumulated In Investments Unrealized Gain/(Loss) Available For Sale Securities Noncurrent Non-current investments Availableforsale Securities Sold At Par ARS investments redeemed at par Award Type [Axis] Award Type [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Basis Of Presentation And Significant Accounting Policies [Text Block] Basis of Presentation Business Acquisition Acquiree [Domain] Business Acquisition, Acquiree [Domain] Business Acquisition [Axis] Business Acquisition [Axis] Business Combination Acquisition Related Costs Acquisition cost Business combination contingent consideration arrangements contingent consideration obligation to former shareholders of acquiree. Business Combination Contingent Consideration Arrangements Contingent Consideration Obligation To Former Shareholders Of Acquiree Additional consideration paid to former stockholders based on sales of products, due Business Combination Contingent Consideration Liability Consideration payments Business Combination Recognized Identifiable Assets Acquired Goodwill And Liabilities Assumed Net Aggregate base purchase price Cash And Cash Equivalents At Carrying Value Cash and cash equivalents at end of period Cash and cash equivalents at beginning of period Cash and cash equivalents Cash And Cash Equivalents Period Increase Decrease Net (decrease) increase in cash and cash equivalents Change in contingent consideration. Change In Contingent Consideration Accretion and remeasurement of contingent consideration liability Change in contingent consideration C N China [Member] Commitments And Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Commitments Contingencies And Guarantees [Text Block] Product Warranties, Indemnifications, and Contingencies Common Stock Par Or Stated Value Per Share Common stock, par value Common Stock Shares Authorized Common stock, shares authorized Common Stock Shares Issued Common stock, shares issued Common Stock Shares Outstanding Common stock, shares outstanding Common Stock Value Common stock: $0.001 par value; 120,000,000 shares authorized, 51,094,508 and 50,673,758 shares issued, and 32,493,672 and 33,289,826 shares outstanding, at September 30, 2013 and June 30, 2013, respectively Comprehensive Income Net Of Tax Comprehensive income Comprehensive Income Net Of Tax [Abstract] Other comprehensive income: Comprehensive Income Note [Text Block] Comprehensive Income Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Concentration Risk By Benchmark [Axis] Concentration Risk Benchmark [Axis] Concentration Risk Percentage 1 Percentage of net revenue Contingent consideration liability recorded for business combination. Contingent Consideration Liability Recorded For Business Combination [Member] Contingent Consideration Liability Recorded for Business Combination [Member] Contractual maturity of ARS investment. Contractual Maturity Of Auction Rate Securities Investments Contractual maturities of ARS investment Convertible Subordinated Debt Noncurrent Notes payable Cost Of Goods And Services Sold Cost of revenue Cost Of Sales [Member] Cost of Revenue [Member] Credit linked notes. Credit Linked Notes [Member] Credit Linked Notes [Member] Cumulative other than temporary impairment included in retained earnings. Cumulative Other Than Temporary Impairment Included In Retained Earnings Other-than- temporary Impairment in Retained Earnings Current Fiscal Year End Date Current Fiscal Year End Date Customer B. Customer B [Member] Customer B [Member] Customer A. Customer [Member] Customer A [Member] Customer obligation. Customer Obligation Customer obligations Customer Relationships [Member] Customer Relationships [Member] Deferred stock unit. Deferred Stock Unit [Member] Deferred Stock Units [Member] Deferred stock units. Deferred Stock Units [Member] Deferred Stock Units [Member] Denominator. Denominator [Abstract] Denominator: Depreciation Depletion And Amortization Depreciation and amortization Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Disclosure Of Compensation Related Costs Share Based Payments [Text Block] Share-Based Compensation Document and entity information. Document And Entity Information [Abstract] Document And Entity Information [Abstract] Document Fiscal Period Focus Document Fiscal Period Focus Document Fiscal Year Focus Document Fiscal Year Focus Document Period End Date Document Period End Date Document Type Document Type Earnings Per Share [Abstract] Net income per share: Earnings Per Share Basic Basic Earnings Per Share Basic And Diluted [Abstract] Net income per share: Earnings Per Share Diluted Diluted Earnings Per Share [Text Block] Net Income Per Share Effective Income Tax Rate Continuing Operations Effective tax rate Employee Related Liabilities Current Accrued compensation Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition 1 Unrecognized share-based compensation, period for recognition Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Share Based Awards Other Than Options Unrecognized share-based compensation cost Employee Service Share Based Compensation Tax Benefit From Compensation Expense Income tax benefit on share-based compensation Entity Central Index Key Entity Central Index Key Entity Common Stock Shares Outstanding Entity Common Stock, Shares Outstanding Entity Filer Category Entity Filer Category Entity Registrant Name Entity Registrant Name Entity Wide Information Revenue From External Customer [Line Items] Revenue from External Customer [Line Items] Entity Wide Revenue Major Customer [Line Items] Revenue, Major Customer [Line Items] Equity [Abstract] Equity [Abstract] Excess Tax Benefit From Share Based Compensation Financing Activities Excess tax benefit from share-based compensation Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table] Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value Assets Measured On Recurring Basis [Text Block] Financial Assets and Liabilities Measured at Fair Value on Recurring Basis Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Text Block] Changes in Fair Value of Level 3 Financial Assets Fair Value By Fair Value Hierarchy Level [Axis] Fair Value, Hierarchy [Axis] Fair Value By Measurement Frequency [Axis] Measurement Frequency [Axis] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Fair Value Disclosures [Line Items] Fair Value Disclosures [Line Items] Fair Value Disclosures [Line Items] Fair Value Disclosures [Table] Fair Value Disclosures [Table] Fair Value Disclosures [Table] Fair Value Disclosures [Text Block] Fair Value Fair Value Inputs Level 1 [Member] Level 1 [Member] Fair Value Inputs Level 3 [Member] Level 3 [Member] Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Text Block] Changes in Fair Value of Level 3 Contingent Consideration Liability Fair Value Measurement Frequency [Domain] Fair Value, Measurement Frequency [Domain] Fair Value Measurements Fair Value Hierarchy [Domain] Fair Value Hierarchy [Domain] Fair Value Measurements Recurring [Member] Fair Value, Measurements, Recurring [Member] Fair value measurements transfers into or out of level one. Fair Value Measurements Transfers Into Or Out Of Level One Transfer amount of assets or liabilities of level one Fair value measurements transfers into or out of level three. Fair Value Measurements Transfers Into Or Out Of Level Three Transfer amount of assets or liabilities of level three Fair value measurement with unobservable inputs reconciliation recurring basis accretion and remeasurement. Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Accretion And Remeasurement Accretion and remeasurement Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss Net unrealized gain Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value Ending balance Beginning balance Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Settlements Settlement of contingent consideration liability Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value Ending balance Beginning balance Federal research tax credit extended period. Federal Research Tax Credit Extended Period Extension period of federal research credit Finite Lived Intangible Assets Accumulated Amortization Accumulated amortization Finite Lived Intangible Assets Amortization Expense Remainder Of Fiscal Year Remainder of 2014 Finite Lived Intangible Assets Amortization Expense Year Five 2018 Finite Lived Intangible Assets Amortization Expense Year Four 2017 Finite Lived Intangible Assets Amortization Expense Year Three 2016 Finite Lived Intangible Assets Amortization Expense Year Two 2015 Finite Lived Intangible Assets By Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Finite lived intangible assets future amortization expense for next five years and thereafter. Finite Lived Intangible Assets Future Amortization Expense For Next Five Years And Thereafter To be determined Finite Lived Intangible Assets Gross Intangible assets Finite Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Finite Lived Intangible Assets Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite Lived Intangible Assets Net Purchased intangibles Future amortization Finite Lived Intangible Asset Useful Life Useful Life Goodwill Goodwill Goodwill And Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Goodwill And Intangible Assets Disclosure [Text Block] Purchased Intangibles Gross Profit Gross margin Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments Income before provision for income taxes Income Statement [Abstract] Income Statement [Abstract] Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Income Tax Disclosure [Text Block] Income Taxes Income Taxes Paid Net Cash paid for income taxes Income Tax Expense Benefit Provision for income taxes Increase Decrease In Accounts Payable Accounts payable Increase Decrease In Accounts Receivable Accounts receivable, net Increase Decrease In Accrued Income Taxes Payable Income taxes Increase Decrease In Deferred Income Taxes Deferred taxes Increase Decrease In Employee Related Liabilities Accrued compensation Increase Decrease In Inventories Inventories Increase Decrease In Operating Capital [Abstract] Changes in operating assets and liabilities: Increase Decrease In Other Accrued Liabilities Other accrued liabilities Increase Decrease In Other Operating Assets Other assets Increase Decrease In Prepaid Deferred Expense And Other Assets Prepaid expenses and other current assets Increase in unrecognized tax benefits income tax penalties and interest accrued. Increase In Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued Increase in interest and penalties accrued related to unrecognized tax benefits Incremental Common Shares Attributable To Share Based Payment Arrangements Effect of dilutive share-based awards Interest Expense Interest expense Inventory Disclosure [Abstract] Inventory Disclosure [Abstract] Inventory Disclosure [Text Block] Inventories Inventory Finished Goods Net Of Reserves Finished goods Inventory Net Inventories Total Inventories Inventory Raw Materials Net Of Reserves Raw materials Investment Income Interest Interest income Investment securities at new cost basis. Investment Securities At New Cost Basis New Cost Basis Investment securities at original cost basis. Investment Securities At Original Cost Basis Original Cost Basis Investment Type [Axis] Investment Type [Axis] Investment Type Categorization [Member] Investments [Domain] J P Japan [Member] K R South Korea [Member] Liabilities And Stockholders Equity Liabilities and stockholders' equity Liabilities Current Total current liabilities Liabilities Current [Abstract] Current Liabilities: Liabilities Fair Value Disclosure Recurring Contingent consideration liability business combination fair value Licensed technology. Licensed Technology [Member] Licensed Technology and Other [Member] Major customer accounts receivable as a percentage of accounts receivable. Major Customer Accounts Receivable As Percentage Of Accounts Receivable Table [Text Block] Major Customer Accounts Receivable as Percentage of Accounts Receivable Major Customers [Axis] Customer [Axis] 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] Market stock units. Market Stock Units [Member] Market Stock Units [Member] Maximum [Member] Maximum [Member] Minimum amount of tax refunds subject to mandatory review. Minimum Amount Of Tax Refunds Subject To Mandatory Review Minimum amount of tax refunds subject to mandatory review Minimum [Member] Minimum [Member] Minimum warranty period of products. Minimum Warranty Period Of Products Minimum warranty period of products Mobile product applications. Mobile Product Applications [Member] Mobile Product Applications [Member] Money Market Funds [Member] Money Market [Member] Municipal Bonds [Member] Municipals [Member] Name Of Major Customer [Domain] Customer [Domain] Net Cash Provided By Used In Financing Activities Net cash used in financing activities Net Cash Provided By Used In Financing Activities [Abstract] Cash flows from financing activities Net Cash Provided By Used In Investing Activities Net cash used in investing activities Net Cash Provided By Used In Investing Activities [Abstract] Cash flows from investing activities Net Cash Provided By Used In Operating Activities Net cash provided by operating activities Net Cash Provided By Used In Operating Activities [Abstract] Cash flows from operating activities Net Income Loss Net income Net income New Accounting Pronouncements Policy Policy [Text Block] Recently Issued Accounting Pronouncements Non cash interest income net. Non Cash Interest Income Net Non-cash interest income Non-cash interest income Number Of Operating Segments Number of segment Number of product categories. Number Of Product Categories Number of product Numerator. Numerator [Abstract] Numerator: Operating Expenses Total operating expenses Operating Expenses [Abstract] Operating expenses: Operating Income Loss Operating income Other Accrued Liabilities Current Other accrued liabilities Other accrued liabilities Other Assets Noncurrent Other assets Other comprehensive income loss accretion of noncurrent investments net of tax. Other Comprehensive Income Loss Accretion Of Noncurrent Investments Net Of Tax Accretion of non-current investments Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent Net current-period other comprehensive income Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax Change in unrealized net gain on investments before reclassifications Other Current Liabilities [Member] Other Current Liabilities [Member] Other foreign country. Other Foreign Country [Member] Other [Member] Other Liabilities Noncurrent Other liabilities Other Noncurrent Liabilities [Member] Other Noncurrent Liabilities [Member] Other Sundry Liabilities Current Other Patents [Member] Patents [Member] Payables And Accruals [Abstract] Payables and Accruals [Abstract] Payments For Repurchase Of Common Stock Purchases of treasury stock Payments To Acquire Businesses Net Of Cash Acquired Acquisition of business, net of cash acquired Payments To Acquire Property Plant And Equipment Purchases of property and equipment Payroll taxes for deferred stock units. Payroll Taxes For Deferred Stock Units Payroll taxes for deferred stock units Pc product applications. Pc Product Applications [Member] PC Product Applications [Member] Percentage from mobile product market in net revenue. Percentage From Mobile Product Market In Net Revenue Percentage from mobile product market in net revenue Percentage of potential payout. Percentage Of Potential Payout Potential payout range Potential payout adjustment ratio. Potential Payout Adjustment Ratio Potential payout adjustment ratio Preferred Stock [Member] Preferred Stock [Member] Prepaid Expense And Other Assets Current Prepaid expenses and other current assets Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options Proceeds from issuance of shares Proceeds From Sale Maturity And Collections Of Investments Proceeds from sales of non-current investments Product Or Service [Axis] Products and Services [Axis] Products And Services [Domain] Products and Services [Domain] Product Warranty Accrual Classified Current Warranty Property Plant And Equipment Net Property and equipment at cost, net of accumulated depreciation of $38,577 and $35,285 at September 30, 2013 and June 30, 2013, respectively Range [Axis] Range [Axis] Range [Member] Range [Domain] Research And Development Arrangement [Member] In-process Research and Development [Member] Research And Development Expense Research and development Research And Development Expense [Member] Research and Development [Member] Retained Earnings Accumulated Deficit Retained earnings Revenue recognition. Revenue Recognition [Text Block] Revenue Recognition Revenues From External Customers And Long Lived Assets [Line Items] Revenues from External Customers and Long-Lived Assets [Line Items] Sales Revenue Net Net revenue Sales Revenue Net [Member] Sales Revenue, Net [Member] Schedule Of Accrued Liabilities Table [Text Block] Other Accrued Liabilities Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Schedule Of Available For Sale Securities [Line Items] Schedule of Available-for-sale Securities [Line Items] Schedule Of Available For Sale Securities [Table] Schedule of Available-for-sale Securities [Table] Schedule Of Earnings Per Share Basic And Diluted Table [Text Block] Basic and Diluted Net Income Per Share Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Table] Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table] Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Text Block] Share-Based Compensation and Related Tax Benefit Recognized in Consolidated Statements of Income Schedule Of Entity Wide Information Revenue From External Customers By Products And Services [Table] Revenue from External Customers by Products and Services [Table] Schedule Of Entity Wide Information Revenue From External Customers By Products And Services [Text Block] Net Revenue from External Customers Schedule Of Entity Wide Revenue By Major Customers By Reporting Segments [Table] Schedule of Revenue by Major Customers, by Reporting Segments [Table] Scheduleof Finite Lived Intangible Assets Future Amortization Expense Table [Text Block] Schedule of Expected Annual Aggregate Amortization Expense Schedule Of Finite Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Schedule Of Finite Lived Intangible Assets Table [Text Block] Summary of Life, Gross Carrying Value of Purchased Intangible Assets, and Related Accumulated Amortization Schedule Of Inventory Current Table [Text Block] Inventories Schedule Of Revenue By Major Customers By Reporting Segments Table [Text Block] Major Customers' as Percentage of Net Revenue Schedule Of Revenues From External Customers And Long Lived Assets By Geographical Areas Table [Text Block] Net Revenue within Geographic Areas Based on Customers' Locations Schedule Of Revenues From External Customers And Long Lived Assets [Table] Schedule of Revenues from External Customers and Long-Lived Assets [Table] Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of share based compensation DSU's activity. Schedule Of Share Based Compensation Dsus Activity Table [Text Block] Balance and Aggregate Intrinsic Value of DSUs Schedule Of Share Based Compensation Stock Options Activity Table [Text Block] Balance of Outstanding and Exercisable Stock Options Segment Geographical [Domain] Geographical [Domain] Segment Reporting [Abstract] Segment Reporting [Abstract] Segment Reporting Disclosure [Text Block] Segment, Customers, and Geographic Information Selling General And Administrative Expense Selling, general, and administrative Selling General And Administrative Expenses [Member] Selling, General, and Administrative [Member] Share based compensation arrangement by share based payment award, award vesting period tranche one. Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period Tranche One Vesting period, tranche one Share based compensation arrangement share based payment award, award vesting period tranche three. Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period Tranche Three Vesting period, tranche three Share based compensation arrangement by share based payment award award vesting period tranche two. Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period Tranche Two Vesting period, tranche two Sharebased Compensation Arrangement By Sharebased Payment Award Equity Instruments Other Than Options Aggregate Intrinsic Value Outstanding Aggregate intrinsic value of MSUs Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period Shares under our MSU awards forfeited Stock Unit Awards, Forfeited Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Number of MSUs granted Stock Unit Awards, Granted Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value Weighted average grant date fair value for the MSUs granted Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number Stock Unit Awards Outstanding, Balance at September 30, 2013 Stock Unit Awards Outstanding, Balance at June 30, 2013 Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Shares under our MSU awards delivered Stock Unit Awards, Delivered Share based compensation arrangement by share based payment award intrinsic value closing price. Share Based Compensation Arrangement By Share Based Payment Award Intrinsic Value Closing Price Aggregate intrinsic value of stock option outstanding calculated using the closing price of common stock Share Based Compensation Arrangement By Share Based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value 1 Aggregate Intrinsic Value of Stock Option Awards, Exercisable at September 30, 2013 Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number Stock Option Awards Outstanding, Exercisable at September 30, 2013 Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price Weighted Average Exercise Price, Exercisable at September 30, 2013 Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period Stock Option Awards Outstanding, Forfeited Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Stock Option Awards Outstanding, Granted Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value Aggregate Intrinsic Value of Stock Option Awards, Balance at September 30, 2013 Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number Stock Option Awards Outstanding, Balance at September 30, 2013 Stock Option Awards Outstanding, Balance at June 30, 2013 Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price Weighted Average Exercise Price, Balance at September 30, 2013 Weighted Average Exercise Price, Balance at June 30, 2013 Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Aggregate Intrinsic Value Aggregate Intrinsic Value, Balance at September 30, 2013 Share Based Compensation Arrangements By Share Based Payment Award Award Type And Plan Name [Domain] Equity Award [Domain] Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price Weighted Average Exercise Price, Exercised Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price Weighted Average Exercise Price, Forfeited Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price Weighted Average Exercise Price, Granted Shares Paid For Tax Withholding For Share Based Compensation Shares withheld to meet statutory minimum tax withholding requirements Statement Geographical [Axis] Geographical [Axis] Statement Of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Statement Of Financial Position [Abstract] Statement of Financial Position [Abstract] Statement Of Income And Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Stock Compensation Plan [Member] Stock Compensation Plan [Member] Stockholders Equity Total stockholders' equity Stockholders Equity [Abstract] Stockholders' Equity: Stock Issued During Period Shares Stock Options Exercised Stock Option Awards Outstanding, Exercised Stock Option [Member] Stock Options [Member] Student loans. Student Loans [Member] Student Loans [Member] Subsequent Event [Line Items] Subsequent Event [Line Items] Subsequent Event [Member] Subsequent Event [Member] Subsequent Events [Abstract] Subsequent Events [Abstract] Subsequent Events [Text Block] Subsequent Event Subsequent Event [Table] Subsequent Event [Table] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Supplemental Cash Flow Information [Abstract] Supplemental disclosures of cash flow information Text Block [Abstract] Text Block [Abstract] Treasury Stock Shares Common treasury shares Treasury Stock Value Treasury stock: 18,600,836 and 17,383,932 common treasury shares at September 30, 2013 and June 30, 2013, respectively, at cost T W Taiwan [Member] Unrecognized Tax Benefits Gross unrecognized tax benefits Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued Interest and penalties accrued related to unrecognized tax benefits Unrecognized Tax Benefits Period Increase Decrease Gross unrecognized tax benefits increased during the year U S United States [Member] Use of estimates. Use Of Estimates Policy [Text Block] Use of Estimates Validity sensors inc. Validity Sensors Inc [Member] Validity Sensors, Inc [Member] Weighted Average Number Of Diluted Shares Outstanding Diluted Shares, diluted Weighted Average Number Of Shares Outstanding [Abstract] Shares used in computing net income per share: Weighted Average Number Of Shares Outstanding Basic Basic Shares, basic