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Schedule of Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) (USD $)
In Thousands, unless otherwise specified |
Dec. 23, 2012
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Jun. 24, 2012
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|---|---|---|
| Financial Instruments [Line Items] | ||
| Fair value | $ 1,330,498 | $ 1,297,931 |
| Derivative Assets | 3,645 | 5,020 |
| Total Assets | 2,410,995 | 2,816,864 |
| Derivative Liabilities | 715 | 4,529 |
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Money Market Funds
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| Financial Instruments [Line Items] | ||
| Fair value | 884,982 | 1,318,812 |
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Municipal Notes And Bonds
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| Financial Instruments [Line Items] | ||
| Fair value | 270,486 | 322,567 |
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US Treasury and Agencies
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| Financial Instruments [Line Items] | ||
| Fair value | 177,584 | 137,446 |
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Government-Sponsored Enterprises
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| Financial Instruments [Line Items] | ||
| Fair value | 94,120 | 123,268 |
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Foreign Government Debt Securities
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| Financial Instruments [Line Items] | ||
| Fair value | 20,568 | 6,358 |
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Corporate Notes And Bonds
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| Financial Instruments [Line Items] | ||
| Fair value | 805,112 | 768,901 |
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Mortgage Backed Securities- Residential
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| Financial Instruments [Line Items] | ||
| Fair value | 32,608 | 25,972 |
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Mortgage Backed Securities - Commercial
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| Financial Instruments [Line Items] | ||
| Fair value | 96,405 | 84,853 |
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Total Short Term Investments
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| Financial Instruments [Line Items] | ||
| Fair value | 2,381,865 | 2,788,177 |
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Publicly Traded Equity Securities
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| Financial Instruments [Line Items] | ||
| Fair value | 4,545 | 5,913 |
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Mutual Funds
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| Financial Instruments [Line Items] | ||
| Fair value | 20,940 | 17,754 |
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Quoted Prices in Active Markets for Identical Assets (Level 1)
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| Financial Instruments [Line Items] | ||
| Fair value | 173,974 | 130,624 |
| Total Assets | 1,249,326 | 1,637,988 |
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Quoted Prices in Active Markets for Identical Assets (Level 1) | Money Market Funds
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| Financial Instruments [Line Items] | ||
| Fair value | 884,982 | 1,318,812 |
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Quoted Prices in Active Markets for Identical Assets (Level 1) | US Treasury and Agencies
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| Financial Instruments [Line Items] | ||
| Fair value | 173,974 | 130,624 |
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Quoted Prices in Active Markets for Identical Assets (Level 1) | Corporate Notes And Bonds
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| Financial Instruments [Line Items] | ||
| Fair value | 164,885 | 164,885 |
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Quoted Prices in Active Markets for Identical Assets (Level 1) | Total Short Term Investments
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| Financial Instruments [Line Items] | ||
| Fair value | 1,223,841 | 1,614,321 |
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Quoted Prices in Active Markets for Identical Assets (Level 1) | Publicly Traded Equity Securities
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| Financial Instruments [Line Items] | ||
| Fair value | 4,545 | 5,913 |
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Quoted Prices in Active Markets for Identical Assets (Level 1) | Mutual Funds
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| Financial Instruments [Line Items] | ||
| Fair value | 20,940 | 17,754 |
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Significant Other Observable Inputs (Level 2)
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| Financial Instruments [Line Items] | ||
| Fair value | 1,156,524 | 1,167,307 |
| Derivative Assets | 3,645 | 5,020 |
| Total Assets | 1,161,669 | 1,178,876 |
| Derivative Liabilities | 465 | 4,328 |
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Significant Other Observable Inputs (Level 2) | Municipal Notes And Bonds
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| Financial Instruments [Line Items] | ||
| Fair value | 270,486 | 322,567 |
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Significant Other Observable Inputs (Level 2) | US Treasury and Agencies
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| Financial Instruments [Line Items] | ||
| Fair value | 3,610 | 6,822 |
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Significant Other Observable Inputs (Level 2) | Government-Sponsored Enterprises
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| Financial Instruments [Line Items] | ||
| Fair value | 94,120 | 123,268 |
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Significant Other Observable Inputs (Level 2) | Foreign Government Debt Securities
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| Financial Instruments [Line Items] | ||
| Fair value | 20,568 | 6,358 |
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Significant Other Observable Inputs (Level 2) | Corporate Notes And Bonds
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| Financial Instruments [Line Items] | ||
| Fair value | 640,227 | 604,016 |
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Significant Other Observable Inputs (Level 2) | Mortgage Backed Securities- Residential
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| Financial Instruments [Line Items] | ||
| Fair value | 32,608 | 25,972 |
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Significant Other Observable Inputs (Level 2) | Mortgage Backed Securities - Commercial
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| Financial Instruments [Line Items] | ||
| Fair value | 96,405 | 84,853 |
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Significant Other Observable Inputs (Level 2) | Total Short Term Investments
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| Financial Instruments [Line Items] | ||
| Fair value | 1,158,024 | 1,173,856 |
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Significant Unobservable Inputs (Level 3)
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| Financial Instruments [Line Items] | ||
| Derivative Liabilities | $ 250 | $ 201 |