Pension and Postretirement Benefits (Details) (USD $) In Thousands	3 Months Ended
	Oct. 02, 2011	Sep. 26, 2010
Pension Plans, Defined Benefit [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Service Cost	$ 3,397	$ 3,665
Defined Benefit Plan, Interest Cost	14,351	14,202
Defined Benefit Plan, Expected Return on Plan Assets	(19,224)	(19,285)
Defined Benefit Plan, Amortization of Net Transition Asset (Obligation)	2	2
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)	725	765
Defined Benefit Plan, Amortization of Net Gains (Losses)	4,676	4,477
Defined Benefit Plan, Net Periodic Benefit Cost	3,927	3,826
Other Postretirement Benefit Plans, Defined Benefit [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Service Cost	103	126
Defined Benefit Plan, Interest Cost	1,680	1,839
Defined Benefit Plan, Expected Return on Plan Assets	0	0
Defined Benefit Plan, Amortization of Net Transition Asset (Obligation)	0	0
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)	(959)	(982)
Defined Benefit Plan, Amortization of Net Gains (Losses)	2,236	2,782
Defined Benefit Plan, Net Periodic Benefit Cost	$ 3,060	$ 3,765