Pension and Other Postretirement Benefits (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 Benefits [Member]
Components of Net Periodic Benefit Cost:
Service cost	$ 52	$ 37	$ 104	$ 75
Interest cost	1,123	1,196	2,246	2,392
Expected return on plan assets	(1,532)	(1,603)	(3,064)	(3,205)
Amortization of prior service cost	3	3	6	6
Amortization of unrecognized net loss	1,131	604	2,262	1,207
Net periodic benefit cost	777	237	1,554	475
Postretirement Benefits [Member]
Components of Net Periodic Benefit Cost:
Service cost	3	3	7	5
Interest cost	46	57	91	114
Expected return on plan assets
Amortization of prior service cost	(191)	(191)	(382)	(382)
Amortization of unrecognized net loss	224	168	449	337
Net periodic benefit cost	$ 82	$ 37	$ 165	$ 74