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Financial Instruments - Schedule of Cash, Cash Equivalents, Short-Term Investments and Restricted Cash and Investments Unrealized Loss Positions (Detail) $ in Thousands | Jun. 25, 2017 USD ($)
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Fair Value |
Unrealized Losses Less than 12 Months | $ 1,729,287
Unrealized Losses 12 Months or Greater | 3,341
Total | 1,732,628
Gross Unrealized Loss |
Unrealized Losses Less than 12 Months | (4,803)
Unrealized Losses 12 Months or Greater | (29)
Total | (4,832)
U.S. Treasury and agencies |
Fair Value |
Unrealized Losses Less than 12 Months | 539,374
Unrealized Losses 12 Months or Greater | 0
Total | 539,374
Gross Unrealized Loss |
Unrealized Losses Less than 12 Months | (2,278)
Unrealized Losses 12 Months or Greater | 0
Total | (2,278)
Municipal notes and bonds |
Fair Value |
Unrealized Losses Less than 12 Months | 7,905
Unrealized Losses 12 Months or Greater | 0
Total | 7,905
Gross Unrealized Loss |
Unrealized Losses Less than 12 Months | (7)
Unrealized Losses 12 Months or Greater | 0
Total | (7)
Government-sponsored enterprises |
Fair Value |
Unrealized Losses Less than 12 Months | 20,104
Unrealized Losses 12 Months or Greater | 506
Total | 20,610
Gross Unrealized Loss |
Unrealized Losses Less than 12 Months | (2)
Unrealized Losses 12 Months or Greater | (4)
Total | (6)
Foreign government bonds |
Fair Value |
Unrealized Losses Less than 12 Months | 26,227
Unrealized Losses 12 Months or Greater | 0
Total | 26,227
Gross Unrealized Loss |
Unrealized Losses Less than 12 Months | (114)
Unrealized Losses 12 Months or Greater | 0
Total | (114)
Corporate notes and bonds |
Fair Value |
Unrealized Losses Less than 12 Months | 998,793
Unrealized Losses 12 Months or Greater | 127
Total | 998,920
Gross Unrealized Loss |
Unrealized Losses Less than 12 Months | (1,840)
Unrealized Losses 12 Months or Greater | 0
Total | (1,840)
Mortgage backed securities - residential |
Fair Value |
Unrealized Losses Less than 12 Months | 86,870
Unrealized Losses 12 Months or Greater | 1,369
Total | 88,239
Gross Unrealized Loss |
Unrealized Losses Less than 12 Months | (468)
Unrealized Losses 12 Months or Greater | (21)
Total | (489)
Mortgage backed securities - commercial |
Fair Value |
Unrealized Losses Less than 12 Months | 50,014
Unrealized Losses 12 Months or Greater | 1,339
Total | 51,353
Gross Unrealized Loss |
Unrealized Losses Less than 12 Months | (94)
Unrealized Losses 12 Months or Greater | (4)
Total | $ (98)

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