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Cash, Cash Equivalents, Investments, Restricted Cash and Investments and Other Assets Measured at Fair Value on Recurring Basis (Detail) - USD ($) $ in Thousands | Sep. 27, 2015 | Jun. 28, 2015
--- | --- | ---
Financial Instruments [Line Items] |  |
Cost | $ 4,547,202 | $ 4,283,009
Unrealized Gain | 5,304 | 4,261
Unrealized Loss | (4,918) | (6,352)
Fair Value | 4,547,588 | 4,280,918
Cash and Cash Equivalents | 1,744,325 | 1,501,539
Investments | 2,587,474 | 2,574,947
Restricted Cash & Investments | 183,455 | 170,969
Other Assets | 32,334 | 33,463
Fair Value Level 1 |  |
Financial Instruments [Line Items] |  |
Cost | 1,689,263 | 1,735,035
Unrealized Gain | 2,503 | 2,998
Unrealized Loss | (553) | (908)
Fair Value | 1,691,213 | 1,737,125
Cash and Cash Equivalents | 1,190,555 | 1,222,613
Investments | 290,008 | 315,291
Restricted Cash & Investments | 178,316 | 165,758
Other Assets | 32,334 | 33,463
Fair Value Level 2 |  |
Financial Instruments [Line Items] |  |
Cost | 2,300,241 | 2,271,311
Unrealized Gain | 2,801 | 1,263
Unrealized Loss | (4,365) | (5,444)
Fair Value | 2,298,677 | 2,267,130
Cash and Cash Equivalents | 1,211 | 7,474
Investments | 2,297,466 | 2,259,656
Fair Value Level 2 | Municipal Notes And Bonds |  |
Financial Instruments [Line Items] |  |
Cost | 666,992 | 659,550
Unrealized Gain | 1,122 | 429
Unrealized Loss | (71) | (335)
Fair Value | 668,043 | 659,644
Cash and Cash Equivalents |  | 7,474
Investments | 668,043 | 652,170
Fair Value Level 2 | Corporate Notes And Bonds |  |
Financial Instruments [Line Items] |  |
Cost | 1,381,861 | 1,329,587
Unrealized Gain | 1,397 | 685
Unrealized Loss | (3,320) | (3,797)
Fair Value | 1,379,938 | 1,326,475
Cash and Cash Equivalents | 1,211 |
Investments | 1,378,727 | 1,326,475
Cash |  |
Financial Instruments [Line Items] |  |
Cost | 557,698 | 276,663
Fair Value | 557,698 | 276,663
Cash and Cash Equivalents | 552,559 | 271,452
Restricted Cash & Investments | 5,139 | 5,211
Time Deposits | Fair Value Level 1 |  |
Financial Instruments [Line Items] |  |
Cost | 174,933 | 177,567
Fair Value | 174,933 | 177,567
Cash and Cash Equivalents | 42,105 | 44,738
Restricted Cash & Investments | 132,828 | 132,829
Money Market Funds | Fair Value Level 1 |  |
Financial Instruments [Line Items] |  |
Cost | 1,148,450 | 1,177,875
Fair Value | 1,148,450 | 1,177,875
Cash and Cash Equivalents | 1,148,450 | 1,177,875
U.S Treasury and Agencies | Fair Value Level 1 |  |
Financial Instruments [Line Items] |  |
Cost | 335,120 | 349,009
Unrealized Gain | 404 | 72
Unrealized Loss | (28) | (861)
Fair Value | 335,496 | 348,220
Investments | 290,008 | 315,291
Restricted Cash & Investments | 45,488 | 32,929
U.S Treasury and Agencies | Fair Value Level 2 |  |
Financial Instruments [Line Items] |  |
Cost | 8,057 | 4,007
Unrealized Loss | (82) | (4)
Fair Value | 7,975 | 4,003
Investments | 7,975 | 4,003
Mutual Funds | Fair Value Level 1 |  |
Financial Instruments [Line Items] |  |
Cost | 30,760 | 30,584
Unrealized Gain | 2,099 | 2,926
Unrealized Loss | (525) | (47)
Fair Value | 32,334 | 33,463
Other Assets | 32,334 | 33,463
Government-Sponsored Enterprises | Fair Value Level 2 |  |
Financial Instruments [Line Items] |  |
Cost | 44,381 | 53,612
Unrealized Gain | 44 | 2
Unrealized Loss | (20) | (249)
Fair Value | 44,405 | 53,365
Investments | 44,405 | 53,365
Foreign Government Bonds | Fair Value Level 2 |  |
Financial Instruments [Line Items] |  |
Cost | 45,562 | 50,336
Unrealized Gain | 67 | 31
Unrealized Loss | (65) | (161)
Fair Value | 45,564 | 50,206
Investments | 45,564 | 50,206
Mortgage Backed Securities - Residential | Fair Value Level 2 |  |
Financial Instruments [Line Items] |  |
Cost | 31,715 | 32,231
Unrealized Gain | 106 | 72
Unrealized Loss | (255) | (292)
Fair Value | 31,566 | 32,011
Investments | 31,566 | 32,011
Mortgage Backed Securities - Commercial | Fair Value Level 2 |  |
Financial Instruments [Line Items] |  |
Cost | 121,673 | 141,988
Unrealized Gain | 65 | 44
Unrealized Loss | (552) | (606)
Fair Value | 121,186 | 141,426
Investments | $ 121,186 | $ 141,426

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- Definition The fair value of cash and investments that is restricted as to withdrawal or usage, valued by the entity on a recurring basis. Restrictions may include legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits classified as long-term; that is not expected to be released from such existing restrictions within one year of the balance sheet date or operating cycle, whichever is longer. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. + References No definition available. + Details
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- Definition Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash -URI http://asc.fasb.org/extlink&oid=6506951 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash Equivalents -URI http://asc.fasb.org/extlink&oid=6507016 + Details
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