Assets [Abstract] Consolidated Balance Sheets [Abstract] Assets, Current [Abstract] Current Assets : ASSETS Stockholders' Equity: Stockholders' Equity Attributable to Parent [Abstract] Liabilities and stockholders' equity Liabilities and Stockholders' Equity Stockholders' Equity Attributable to Parent Balance at, value Balance at, value Total stockholders' equity Retained Earnings (Accumulated Deficit) Retained earnings Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive income Treasury Stock Value Treasury stock:15,784,092 and 13,366,476 common shares at June 2012 and 2011, respectively, at cost Additional Paid in Capital, Common Stock Additional paid-in capital Common Stock, Value, Issued Common stock: $0.001 par value; 120,000,000 shares authorized, 48,680,348 and 46,832,208 shares issued, and 32,896,256 and 33,465,732 shares outstanding, at June 2012 and 2011, respectively LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities and Stockholders' Equity [Abstract] Other Liabilities, Noncurrent Other liabilities Liabilities, Current [Abstract] Current Liabilities: Total current liabilities Liabilities, Current Other Accrued Liabilities, Current Other accrued liabilities Other accrued liabilities Income taxes payable Accrued Income Taxes, Current Employee-related Liabilities, Current Accrued compensation Accounts Payable, Current Accounts payable Total assets Assets Goodwill Goodwill Property, Plant and Equipment, Net Property and equipment, net Property and equipment, net Assets, Current Total current assets Inventory, Net Total Inventories Inventories Accounts receivable, net of allowances of $567 and $709 at June 2012 and 2011, respectively Accounts Receivable, Net, Current 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 Common stock, par value Common Stock, Par or Stated Value Per Share Common stock, shares authorized Common Stock, Shares Authorized Common Stock, Shares, Issued Common stock, shares issued Treasury Stock, Shares Common treasury shares Allowance for Doubtful Accounts Receivable, Current Allowance for doubtful accounts receivable Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Accumulated depreciation and amortization Consolidated Statements of Income [Abstract] Shares used in computing net income per share: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Weighted Average Number of Shares Outstanding, Diluted Shares, diluted Diluted Weighted Average Number of Shares Outstanding, Basic Basic Shares, basic Net Income Per Share [Abstract] Earnings Per Share, Basic Basic Earnings Per Share, Diluted Diluted Diluted Net Income (Loss) Attributable to Parent Net income Net income Income Tax Expense (Benefit) Provision for income taxes Provision for income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Cumulative Effects of Changes in Accounting Principles, Noncontrolling Interest Income before provision for income taxes Income before provision for income taxes Impairment of Investments Impairment (loss)/recovery on investments, net Impairment (recovery) of investments, net Interest Expense Interest expense Total interest Interest income Investment Income, Interest Operating Income (Loss) Operating income Operating expenses: Operating Expenses [Abstract] Operating Expenses Total operating expenses Selling, general, and administrative Selling, General and Administrative Expense Research and development Research and Development Expense Gross margin Gross Profit Consolidated Statements of Cash Flows [Abstract] Supplemental disclosures of cash flow information Supplemental Cash Flow Information [Abstract] Cash and Cash Equivalents, Period Increase (Decrease) Net increase in cash and cash equivalents Cash flows from financing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Net Cash Provided by (Used in) Financing Activities Net cash used in financing activities Payroll Taxes for Deferred Stock Units Payroll taxes for deferred stock units Payroll taxes for deferred stock units. Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Including Stock Options Proceeds from issuance of shares Payments for Repurchase of Common Stock Purchases of treasury stock Cash flows from investing activities Net Cash Provided by (Used in) Investing Activities [Abstract] Net cash (used in)/provided by investing activities Net Cash Provided by (Used in) Investing Activities Payments to Acquire Property, Plant, and Equipment Purchases of property and equipment Changes in operating assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Increase (Decrease) in Other Accrued Liabilities Other accrued liabilities Income taxes payable Increase (Decrease) in Accrued Income Taxes Payable Increase (Decrease) in Accounts Payable Accounts payable Increase (Decrease) in Other Operating Assets Other assets Increase (Decrease) in Prepaid, Deferred Expense and Other Assets Prepaid expenses and other current assets Increase (Decrease) in Inventories Inventories Increase (Decrease) in Accounts Receivable Accounts receivable, net Adjustments to reconcile net income to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Deferred Income Tax Expense (Benefit) Deferred Income Tax Expense (Benefit) Deferred taxes Cash flows from operating activities Net Cash Provided by (Used in) Operating Activities [Abstract] Entity Registrant Name Entity Central Index Key Document Type Document Period End Date Amendment Flag Document Fiscal Year Focus Document Fiscal Period Focus Current Fiscal Year End Date Entity Filer Category Entity Common Stock, Shares Outstanding Net Income Per Share Earnings Per Share [Text Block] Share-Based Compensation [Abstract] Share-Based Compensation Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Income Taxes Income Tax Disclosure [Text Block] Available-for-sale Securities, Noncurrent Non-current investments Cost of Goods and Services Sold Cost of revenue Sales Revenue, Net Net revenue Proceeds from Sales and Maturities of Non-current Investments Proceeds from sales and maturities of non-current investments Proceeds from sales and maturities of non-current investments. Cash paid for taxes Income Taxes Paid, Net Convertible Subordinated Debt, Noncurrent Par value of notes outstanding Notes payable Common Stock, Shares, Outstanding Common stock, shares outstanding Increase (Decrease) in Employee Related Liabilities Accrued compensation Document and Entity Information [Abstract] Document and entity information. Money Market Funds [Member] Money Market [Member] Auction Rate Securities [Member] Auction Rate Securities [Member] Schedule of Available-for-sale Securities [Table] Schedule of Available-for-sale Securities [Line Items] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Changes in fair value of Level 3 financial assets Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value Ending balance Beginning balance Fair Value, Inputs, Level 1 [Member] Fair Value, Inputs, Level 1 [Member] Fair Value, Inputs, Level 3 [Member] Fair Value, Inputs, Level 3 [Member] Customer B [Member] Customer B [Member] Customer B. Schedule of Entity-Wide Revenue by Major Customers, by Reporting Segments [Table] Major Customers [Axis] Name of Major Customer [Domain] Entity-Wide Revenue, Major Customer [Line Items] Inventory, Raw Materials, Net of Reserves Raw material Inventory, Finished Goods, Net of Reserves Finished goods Available-for-sale Securities Estimated Fair Value Major Types of Debt and Equity Securities [Domain] Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases, Sales, Issuances, Settlements Redemptions Numerator [Abstract] Numerator: Numerator. Denominator [Abstract] Denominator: Denominator. Basic and Diluted Net Income Per Share [Abstract] Basic and diluted net income per share Basic and diluted net income per share. Incremental Common Shares Attributable to Share-based Payment Arrangements Effect of dilutive share-based awards Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Share-based awards Student Loans [Member] Student loans [Member] Student loans. Municipals [Member] Municipals [Member] Auction Rate Securities (Textual) [Abstract] Auction rate securities. Auction Rate Securities (Textual) [Abstract] Preferred Stock [Member] Preferred stock [Member] Investment Type [Axis] Income Taxes (Textual) [Abstract] Income Taxes (Textual) [Abstract] Income taxes. Unrecognized Tax Benefits Balance as of June 2012 Balance as of June 2011 Gross unrecognized tax benefits Unrecognized Tax Benefits, Period Increase (Decrease) Gross unrecognized tax benefits increased during the year Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued Interest and penalties accrued related to unrecognized tax benefits Segment Reporting Information, Revenue Net Revenue Entity-Wide Disclosure on Geographic Areas, Revenue from External Customers Attributed to Foreign Countries Net revenue within foreign geographic areas Other Foreign Country [Member] Other foreign country. Other [Member] Segment, Customers, and Geographic Information (Textual) [Abstract] Segment, Customers, and Geographic Information (Textual) [Abstract] Segment customers and geographic information. Segment, Geographical [Domain] Cumulative Other than temporary Impairment Included in Retained earnings Other-than-temporary Impairment in Retained Earnings Cumulative other than temporary impairment included in retained earnings. Auction Rate Securities with Fair Value Maturing within Specified Period Auction Rate Securities with fair value maturing from 2016 to 2018 Auction rate securities with fair value maturing within specified period. Auction Rate Securities with Fair Value Maturing from Stated Period Auction Rate Securities with fair value maturing from 2040 to 2046 Auction rate securities with fair value maturing from stated period. 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 Antidilutive Securities Excluded from Computation of Earnings Per Share, by Antidilutive Securities [Axis] Antidilutive Securities, Name [Domain] Stock Compensation Plan [Member] Stock Compensation Plan [Member] Unrecognized Tax Benefits, Increases Resulting from Current Period Tax Positions Increase in unrecognized tax benefits related to current year tax positions Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Failed Auction Rate Securities Investments [Abstract] Failed ARS investments Failed auction rate securities investments. Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Stock option awards, Balance at June 30, 2012 Stock option awards, Balance at June 25, 2011 Stock options outstanding Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period Stock options granted Stock options Granted Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period Stock option awards, Forfeited Forfeited Share-based Compensation Arrangements by Share-based Payment Award, Award Type and Plan Name [Domain] Balance of Outstanding and Exercisable Stock Options [Abstract] Balance of outstanding and exercisable stock options. Balance of outstanding and exercisable stock options Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Weighted Average Exercise Price, Balance at June 30, 2012 Weighted Average Exercise Price, Balance at June 25, 2011 Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Stock option awards, Exercisable at June 30, 2012 Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Weighted average exercise price, Exercisable at June 30, 2012 Deferred Stock Units [Member] Deferred stock units. Deferred Stock Units [Member] Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Aggregate Intrinsic Value of stock option awards, at June 30, 2012 Schedule of Share Based Compensation (Textual) [Abstract] Schedule of share based compensation. Schedule of Share Based Compensation (Textual) [Abstract] Auction Rate Securities [Abstract] Auction rate securities. Auction Rate Securities [Text Block] Auction Rate Securities Auction rate securities. Stock unit awards outstanding, Balance at June 30, 2012 Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Stock unit awards outstanding, Balance at June 30, 2011 Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Stock unit awards, Granted Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Stock unit awards, Delivered Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Stock unit awards, Delivered Depreciation, Depletion and Amortization Depreciation and amortization Stockholders' Equity [Abstract] Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Stock option awards, Exercised Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block] Major customers as a percentage of net revenue Fair Value, Hierarchy [Axis] Fair Value, Measurements, Fair Value Hierarchy [Domain] Investment Type Categorization [Domain] Basic and diluted net income per share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] Balance of outstanding and exercisable stock options Net income per share: Prepaid Expense and Other Assets, Current Prepaid expenses and other current assets Other Assets, Noncurrent Other assets Segment, Customers, and Geographic Information [Abstract] Available-for-sale Securities, Fair Value Disclosure Total available-for-sale securities Assets, Fair Value Disclosure [Abstract] Financial assets measured at fair value on a recurring basis Fair Value by Measurement Frequency [Axis] Fair Value, Measurement Frequency [Domain] Fair Value, Measurements, Recurring [Member] Fair Value, Measurements, Recurring [Member] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Schedule of Revenues from External Customers and Long-Lived Assets [Table] Statement, Geographical [Axis] Revenues from External Customers and Long-Lived Assets [Line Items] Credit Linked Notes [Member] Credit linked notes [Member] Credit linked notes. Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Changes in fair value of Level 3 financial assets Schedule of Inventory, Current [Table Text Block] Inventories Comprehensive Income (Loss), Net of Tax, Attributable to Parent Total comprehensive income Failed Auction Rate Securities Investments [Table Text Block] Failed ARS investments Failed auction rate securities investments. Deferred Stock Unit [Member] Deferred stock unit. Deferred stock unit [Member] Stock Option [Member] CHINA [Member] China [Member] JAPAN [Member] Japan [Member] TAIWAN, PROVINCE OF CHINA [Member] Taiwan [Member] KOREA, REPUBLIC OF [Member] Korea [Member]