Company-Sponsored Employee Benefit Plans (Funded Status) (Details) (USD $)			12 Months Ended										1 Months Ended
	Jun. 28, 2014	Jun. 29, 2013	Jun. 28, 2014 Pension Benefits [Member]		Jun. 29, 2013 Pension Benefits [Member]		Jun. 30, 2012 Pension Benefits [Member]	Jun. 28, 2014 Other Postretirement Plans [Member]	Jun. 29, 2013 Other Postretirement Plans [Member]	Jun. 30, 2012 Other Postretirement Plans [Member]	Jun. 28, 2014 Supplemental Executive Retirement Plan [Member]	Jun. 29, 2013 Supplemental Executive Retirement Plan [Member]	Nov. 24, 2012 Supplemental Executive Retirement Plan Freeze Event [Member] Supplemental Executive Retirement Plan [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Benefit obligation at beginning of year			$ 3,089,022,000		$ 3,164,974,000			$ 14,248,000	$ 12,954,000
Service cost			9,657,000		70,166,000		108,223,000	546,000	541,000	457,000
Interest cost			160,436,000		148,561,000		147,512,000	748,000	614,000	632,000
Amendments			(347,000)		53,902,000			0	0
Curtailments			0		(72,967,000)			0	0
Actuarial (gain) loss, net			492,720,000		(201,517,000)			(3,280,000)	188,000
Total disbursements			(79,780,000)		(74,097,000)			349,000	(49,000)
Benefit obligation at end of year			3,671,708,000		3,089,022,000		3,164,974,000	12,611,000	14,248,000	12,954,000			486,600,000
Fair value of plan assets at beginning of year			2,518,009,000		2,234,869,000			0	0
Actual return on plan assets			474,538,000		263,675,000			0	0
Employer contributions			24,752,000		93,562,000			(349,000)	49,000
Total disbursements			(79,780,000)		(74,097,000)			349,000	(49,000)
Fair value of plan assets at end of year			2,937,519,000		2,518,009,000		2,234,869,000	0	0	0
Funded status at end of year			(734,189,000)		(571,013,000)			(12,611,000)	(14,248,000)
Discount rate used in calculating benefit obligation								4.74%	5.32%		4.59%	4.94%	3.96%
Actuarial (loss) gain, net, arising in current year, before tax			(210,978,000)		366,957,000		(579,366,000)	3,280,000	(188,000)	(925,000)			73,000,000
Curtailment loss			0		8,293,000		0						8,300,000
Prior service cost arising in current year, before tax			(347,000)		53,902,000		8,706,000						48,600,000
Period for prior service cost amortization													7 years
Benefit obligation after plan freeze			3,671,708,000		3,089,022,000		3,164,974,000	12,611,000	14,248,000	12,954,000			486,600,000
Cash surrender value of corporate-owned life insurance	161,900,000	159,300,000									96,500,000	95,000,000
Current accrued benefit liability (Accrued expenses)			(25,712,000)		(25,181,000)			(313,000)	(380,000)
Non-current accrued benefit liability (Other long-term liabilities)			(708,477,000)		(545,832,000)			(12,298,000)	(13,868,000)
Defined benefit plans net amount recognized in balance sheet			(734,189,000)		(571,013,000)			(12,611,000)	(14,248,000)
Accumulated other comprehensive loss (income) - Prior service cost	61,204,000	72,865,000	60,306,000		71,798,000			898,000	1,067,000
Accumulated other comprehensive loss (income) - Net actuarial losses (gains)	1,052,364,000	860,849,000	1,058,651,000		864,000,000			(6,287,000)	(3,151,000)
Accumulated other comprehensive loss (income) - Total amount recognized	1,113,568,000	933,714,000	1,118,957,000		935,798,000			(5,389,000)	(2,084,000)
Accumulated benefit obligation for all pension benefit plans			3,660,200,000		3,079,100,000
Accumulated benefit obligation for pension plans with accumulated benefit obligation in excess of fair value of plan assets			3,660,227,000	[1]	3,079,068,000	[1]
Aggregate benefit obligation for postretirment plans with aggregate benefit obligation in excess of fair value of plan assets								12,611,000	14,248,000
Fair value of plan assets at end of year for pension plans with accumulated benefit obligation in excess of fair value on plan assets			2,937,519,000	[1]	2,518,009,000	[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 28, 2014 and June 29, 2013 includes both the Retirement Plan and the SERP.