Pension and Retirement Plans (Details) (USD $)	12 Months Ended
	Jun. 29, 2013	Jun. 30, 2012	Jul. 02, 2011
Changes in benefit obligations:
Service cost	$ 36,920,000	$ 28,380,000	$ 23,874,000
Interest cost	14,653,000	14,925,000	13,918,000
Change in plan assets:
Contributions	40,000,000	0
Amounts recognized in accumulated other comprehensive income:
Unrecognized net actuarial loss	(173,069,000)
Unamortized prior service credit	7,623,000
Other changes in plan assets and benefit obligations recognized in other comprehensive income:
Other changes in plan assets and benefit obligations recognized in other comprehensive income	49,192,000	85,010,000	31,987,000
Pension Plans [Member]
Changes in benefit obligations:
Benefit obligations at beginning of year	375,156,000	297,527,000
Service cost	36,920,000	28,380,000
Interest cost	14,653,000	14,925,000
Plan amendments	0	3,360,000
Actuarial (gain) loss	(13,545,000)	48,620,000
Benefits paid	(21,304,000)	(17,656,000)
Benefit obligations at end of year	391,880,000	375,156,000
Change in plan assets:
Fair value of plan assets at beginning of year	301,449,000	324,752,000
Actual return on plan assets	45,228,000	(5,647,000)
Benefits paid	(21,304,000)	(17,656,000)
Contributions	40,000,000	0
Fair value of plan assets at end of year	365,373,000	301,449,000
Funded status of the plan recognized as a non-current asset (liability)	(26,507,000)	(73,707,000)
Amounts recognized in accumulated other comprehensive income:
Unrecognized net actuarial loss	173,069,000	218,837,000
Unamortized prior service credit	(7,623,000)	(9,196,000)
Amount recognized in accumulated other comprehensive income	165,446,000	209,641,000
Other changes in plan assets and benefit obligations recognized in other comprehensive income:
Net actuarial (gain) loss	(30,870,000)	81,206,000
Prior service cost	0	3,360,000
Amortization of net actuarial loss	(14,898,000)	(9,680,000)
Amortization of prior service credit	1,573,000	1,875,000
Other changes in plan assets and benefit obligations recognized in other comprehensive income	$ (44,195,000)	$ 76,761,000
Weighted average assumptions used to calculate actuarial present values of benefit obligations
Discount rate	4.50%	4.00%
Weighted average assumptions used to determine net benefit costs
Discount rate	4.00%	5.25%
Expected return on plan assets	8.50%	8.50%