Company-Sponsored Employee Benefit Plans (Funded Status) (Details) (USD $)	12 Months Ended											3 Months Ended			1 Months Ended
	Jun. 29, 2013	Jun. 30, 2012	Jul. 02, 2011	Jun. 29, 2013 Pension Benefits [Member]		Jun. 30, 2012 Pension Benefits [Member]		Jul. 02, 2011 Pension Benefits [Member]	Jun. 29, 2013 Other Postretirement Plans [Member]	Jun. 30, 2012 Other Postretirement Plans [Member]	Jul. 02, 2011 Other Postretirement Plans [Member]	Dec. 31, 2011 Supplemental Executive Retirement Plan [Member]	Jun. 29, 2013 Supplemental Executive Retirement Plan [Member]	Jun. 30, 2012 Supplemental Executive Retirement Plan [Member]	Nov. 24, 2012 Supplemental Executive Retirement Plan Freeze Event [Member] Supplemental Executive Retirement Plan [Member]
Benefit obligation at beginning of year				$ 3,164,974,000		$ 2,516,660,000			$ 12,954,000	$ 10,812,000
Service cost				70,166,000		108,223,000		99,443,000	541,000	457,000	396,000
Interest cost				148,561,000		147,512,000		134,973,000	614,000	632,000	524,000
Amendments				53,902,000		8,705,000			0	0
Curtailments				(72,967,000)		(176,531,000)			0	0
Actuarial (gain) loss, net				(201,517,000)		625,890,000			188,000	925,000
Total disbursements				(74,097,000)		(65,485,000)			(49,000)	128,000
Benefit obligation at end of year				3,089,022,000		3,164,974,000		2,516,660,000	14,248,000	12,954,000	10,812,000				486,600,000
Fair value of plan assets at beginning of year				2,234,869,000		2,106,313,000			0	0
Actual return on plan assets				263,675,000		31,597,000			0	0
Employer contributions				93,562,000		162,444,000			49,000	(128,000)
Fair value of plan assets at end of year				2,518,009,000		2,234,869,000		2,106,313,000	0	0	0
Funded status at end of year				(571,013,000)		(930,105,000)			(14,248,000)	(12,954,000)
Discount rate used in calculating benefit obligation									5.32%	4.81%			4.94%	4.89%	3.96%
Actuarial (loss) gain, net arising in current year, before tax	366,769,000	(580,291,000)	83,898,000	366,957,000		(579,366,000)		84,055,000	(188,000)	(925,000)	(157,000)				73,000,000
Curtailment loss				8,293,000		0		0							8,300,000
Prior service cost arising in current year, before tax	53,902,000	8,706,000	9,239,000	53,902,000		8,706,000		8,252,000	0	0	987,000				48,600,000
Period for prior service cost amortization															7 years
Benefit obligation after plan freeze				3,089,022,000		3,164,974,000		2,516,660,000	14,248,000	12,954,000	10,812,000				486,600,000
Cash surrender value of corporate-owned life insurance	159,300,000	160,500,000											95,000,000	97,600,000
Amount received for redemption of corporate-owned life insurance policies												75,000,000
Current accrued benefit liability (Accrued expenses)				(25,181,000)		(22,810,000)			(380,000)	(369,000)
Non-current accrued benefit liability (Other long-term liabilities)				(545,832,000)		(907,295,000)			(13,868,000)	(12,585,000)
Defined benefit plans net amount recognized in balance sheet				(571,013,000)		(930,105,000)			(14,248,000)	(12,954,000)
Accumulated other comprehensive loss (income) - Prior service cost	72,865,000	37,323,000		71,798,000		36,087,000			1,067,000	1,236,000
Accumulated other comprehensive loss (income) - Net actuarial losses (gains)	860,849,000	1,300,039,000		864,000,000		1,303,582,000			(3,151,000)	(3,543,000)
Accumulated other comprehensive loss (income) - Transition obligation		141,000				0				141,000
Accumulated other comprehensive loss (income) - Total amount recognized	933,714,000	1,337,503,000		935,798,000		1,339,669,000			(2,084,000)	(2,166,000)
Accumulated benefit obligation for all pension benefit plans				3,079,100,000		3,078,500,000
Accumulated benefit obligation for pension plans with accumulated benefit obligation in excess of fair value of plan assets				3,079,068,000	[1]	3,078,488,000	[1]
Aggregate benefit obligation for postretirment plans with aggregate benefit obligation in excess of fair value of plan assets									14,248,000	12,954,000
Fair value of plan assets at end of year for pension plans with accumulated benefit obligation in excess of fair value on plan assets				2,518,009,000	[1]	2,234,869,000	[1]
Fair value of plan assets at end of year for postretirement plans with aggregate benefit obligation in excess of fair value of plan assets									$ 0	$ 0

[1] Information under Pension Benefits as of June 29, 2013 and June 30, 2012 includes both the Retirement Plan and the SERP.