Pension and Postretirement Benefits Net Periodic Income and Expense (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 30, 2012	Jan. 01, 2012	Dec. 30, 2012	Jan. 01, 2012
Pension Plans, Defined Benefit [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Service Cost	$ 3,135	$ 3,489	$ 6,972	$ 6,885
Interest Cost on Projected Benefit Obligation	12,276	14,284	25,602	28,635
Expected Return on Plan Assets	(18,873)	(19,124)	(38,085)	(38,348)
Amortization of Transition Obligation	2	2	4	4
Amortization of Prior Service Cost (Credit)	47	725	272	1,450
Amortization of Actuarial Loss	8,666	4,570	17,488	9,246
Defined Benefit Plan, Recognized Net Loss Due to Curtailments	1,914	0	1,914	0
Net Periodic Expense	7,167	3,946	14,167	7,872
Other Postretirement Benefits [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Service Cost	82	102	179	204
Interest Cost on Projected Benefit Obligation	1,197	1,695	2,398	3,375
Expected Return on Plan Assets	0	0	0	0
Amortization of Transition Obligation	0	0	0	0
Amortization of Prior Service Cost (Credit)	(897)	(959)	(1,795)	(1,918)
Amortization of Actuarial Loss	1,873	2,353	3,762	4,590
Defined Benefit Plan, Recognized Net Loss Due to Curtailments	0	0	0	0
Net Periodic Expense	$ 2,255	$ 3,191	$ 4,544	$ 6,251