Employee Benefit Costs (Schedule Of Changes In Level 3 Investments For Pension Plan) (Details) (USD $) In Thousands	12 Months Ended
	Jul. 03, 2011		Jun. 27, 2010
Fair Value of Plan Assets at End of Year	$ 916,210		$ 831,490
Fair Value Measurements Using Level 1 [Member]
Fair Value of Plan Assets at End of Year	244,628		235,310
Fair Value Measurements Using Level 2 [Member]
Fair Value of Plan Assets at End of Year	329,737		256,409
Fair Value Measurements Using Level 3 [Member]
Fair Value, Beginning Balance	339,771	[1]	313,310
Purchases, Sales, Issuances, and Settlements	(60,664)		(5,188)
Realized and Unrealized Gain (Loss)	62,738		31,649
Fair Value of Plan Assets at End of Year	341,845	[1]	339,771	[1]
Fair Value Measurements Using Level 3 [Member] | Venture Capital Funds [Member]
Fair Value, Beginning Balance	136,179	[1]	133,556
Purchases, Sales, Issuances, and Settlements	(10,290)		(10,535)
Realized and Unrealized Gain (Loss)	63,464		13,158
Fair Value of Plan Assets at End of Year	189,353	[1]	136,179	[1]
Fair Value Measurements Using Level 3 [Member] | Debt Funds [Member]
Fair Value, Beginning Balance	47,110	[1]	39,227
Purchases, Sales, Issuances, and Settlements	(7,667)		(1,005)
Realized and Unrealized Gain (Loss)	4,930		8,888
Fair Value of Plan Assets at End of Year	44,373	[1]	47,110	[1]
Fair Value Measurements Using Level 3 [Member] | Hedge Funds [Member]
Fair Value, Beginning Balance	35,026	[1]	33,606
Purchases, Sales, Issuances, and Settlements	(36,533)
Realized and Unrealized Gain (Loss)	1,507		1,420
Fair Value of Plan Assets at End of Year			35,026	[1]
Fair Value Measurements Using Level 3 [Member] | Real Estate Funds [Member]
Fair Value, Beginning Balance	40,041	[1]	38,044
Purchases, Sales, Issuances, and Settlements	(2,709)		1,413
Realized and Unrealized Gain (Loss)	(20,090)		584
Fair Value of Plan Assets at End of Year	17,242	[1]	40,041	[1]
Fair Value Measurements Using Level 3 [Member] | Private Equity Funds [Member]
Fair Value, Beginning Balance	58,610	[1]	55,517
Purchases, Sales, Issuances, and Settlements	(3,465)		(61)
Realized and Unrealized Gain (Loss)	9,070		3,154
Fair Value of Plan Assets at End of Year	64,215	[1]	58,610	[1]
Fair Value Measurements Using Level 3 [Member] | Global Balanced Funds [Member]
Fair Value, Beginning Balance	22,805	[1]	13,360
Purchases, Sales, Issuances, and Settlements			5,000
Realized and Unrealized Gain (Loss)	3,857		4,445
Fair Value of Plan Assets at End of Year	$ 26,662	[1]	$ 22,805	[1]

[1] There were no transfers in or out of Level 3 during the years ended July 3, 2011 or June 27, 2010.