Pension and Postretirement Benefits Net Periodic Income and Expense (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 29, 2015	Mar. 30, 2014	Mar. 29, 2015	Mar. 30, 2014
Pension Plans, Defined Benefit [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Service Cost	$ 858	$ 1,911	$ 2,574	$ 5,735
Interest Cost on Projected Benefit Obligation	12,445	13,436	37,336	40,307
Expected Return on Plan Assets	(18,659)	(18,538)	(55,978)	(55,614)
Amortization of Prior Service Cost (Credit)	45	45	135	135
Amortization of Actuarial Loss	3,315	6,276	9,946	18,821
Net Periodic Expense	(1,996)	3,130	(5,987)	9,384
Other Postretirement Benefits [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Service Cost	74	83	222	250
Interest Cost on Projected Benefit Obligation	902	1,150	2,706	3,450
Expected Return on Plan Assets	0	0	0	0
Amortization of Prior Service Cost (Credit)	(689)	(724)	(2,068)	(2,172)
Amortization of Actuarial Loss	1,162	1,504	3,486	4,512
Net Periodic Expense	$ 1,449	$ 2,013	$ 4,346	$ 6,040