Pension and Postretirement Benefits (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 29, 2013	Dec. 30, 2012	Dec. 29, 2013	Dec. 30, 2012
Pension Benefits
Components of Net Periodic Benefit Cost:
Service cost	$ 55	$ 52	$ 109	$ 104
Interest cost	1,101	1,123	2,203	2,246
Expected return on plan assets	(1,611)	(1,532)	(3,221)	(3,064)
Amortization of prior service cost (credit)	3	3	6	6
Amortization of unrecognized net loss	667	1,131	1,333	2,262
Net periodic benefit cost	215	777	430	1,554
Postretirement Benefits
Components of Net Periodic Benefit Cost:
Service cost	3	3	7	7
Interest cost	40	46	79	91
Expected return on plan assets
Amortization of prior service cost (credit)	(191)	(191)	(382)	(382)
Amortization of unrecognized net loss	211	224	423	449
Net periodic benefit cost	$ 63	$ 82	$ 127	$ 165