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Schedule of Assets and Liabilities Measured at Fair Value as Reported in Consolidated Balance Sheet (Detail) (USD $) In Thousands, unless otherwise specified | Jun. 29, 2014 | Jun. 30, 2013
--- | --- | ---
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cash Equivalents | $ 1,173,551 | $ 725,311
Short-Term Investments | 1,612,967 | 1,334,746
Restricted Cash and Investments | 140,587 | 164,885
Prepaid Expenses and Other Current Assets | 1,592 | 4,929
Other Assets | 21,758 | 25,312
Total | 2,950,455 | 2,255,183
Accrued Expenses and Other Current Liabilities | 923 | 1,620
Other Non-current Liabilities | 6 | 195
Total Liabilities | 929 | 1,815
Quoted Prices in Active Markets for Identical Assets (Level 1) |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cash Equivalents | 1,168,261 | 725,311
Short-Term Investments | 204,549 | 155,293
Restricted Cash and Investments | 140,587 | 164,885
Other Assets | 21,758 | 25,312
Total | 1,535,155 | 1,070,801
Significant Other Observable Inputs (Level 2) |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cash Equivalents | 5,290 |
Short-Term Investments | 1,408,418 | 1,179,453
Prepaid Expenses and Other Current Assets | 1,592 | 4,929
Total | 1,415,300 | 1,184,382
Accrued Expenses and Other Current Liabilities | 923 | 1,620
Total Liabilities | 923 | 1,620
Significant Unobservable Inputs (Level 3) |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Other Non-current Liabilities | 6 | 195
Total Liabilities | $ 6 | $ 195

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