Pension and Retirement Plans (Details) (USD $)	12 Months Ended
	Jun. 30, 2012	Jul. 02, 2011	Jul. 03, 2010
Changes in benefit obligations:
Service cost	$ 28,380,000	$ 23,874,000	$ 0
Interest cost	14,925,000	13,918,000	15,748,000
Change in plan assets:
Contributions	0	500,000
Amounts recognized in accumulated other comprehensive income:
Unrecognized net actuarial loss	(218,837,000)
Unamortized prior service credit	9,196,000
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	85,010,000	31,987,000	50,502,000
Pension Plans [Member]
Changes in benefit obligations:
Benefit obligations at beginning of year	297,527,000	276,938,000
Service cost	28,380,000	23,874,000
Interest cost	14,925,000	13,918,000
Plan amendments	3,360,000	0
Actuarial loss	48,620,000	5,168,000
Benefits paid	(17,656,000)	(22,371,000)
Benefit obligations at end of year	375,156,000	297,527,000
Change in plan assets:
Fair value of plan assets at beginning of year	324,752,000	278,964,000
Actual return on plan assets	(5,647,000)	67,659,000
Benefits paid	(17,656,000)	(22,371,000)
Contributions	0	500,000
Fair value of plan assets at end of year	301,449,000	324,752,000
Funded status of the plan recognized as a non-current asset (liability)	(73,707,000)	27,225,000
Amounts recognized in accumulated other comprehensive income:
Unrecognized net actuarial loss	218,837,000	147,311,000
Unamortized prior service credit	(9,196,000)	(14,431,000)
Amount recognized in accumulated other comprehensive income	209,641,000	132,880,000
Other changes in plan assets and benefit obligations recognized in other comprehensive income:
Net actuarial (gain) loss	81,206,000	(34,931,000)
Prior service cost	3,360,000	0
Amortization of net actuarial loss	(9,680,000)	(8,938,000)
Amortization of prior service credit	1,875,000	1,875,000
Other changes in plan assets and benefit obligations recognized in other comprehensive income	$ 76,761,000	$ (41,994,000)
Weighted average assumptions used to calculate actuarial present values of benefit obligations
Discount rate	4.00%	5.25%
Weighted average assumptions used to determine net benefit costs
Discount rate	5.25%	5.25%
Expected return on plan assets	8.50%	8.50%