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

Classification by type of financial instrument

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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.

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Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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-Publisher FASB

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Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

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Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

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This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.

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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.

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Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method.

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Fair value portion of other assets.

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