Retirement Plans (Components Of Net Periodic Benefit Cost) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended			9 Months Ended		12 Months Ended
	Sep. 30, 2012	Jul. 08, 2012	Jul. 10, 2011	Jul. 08, 2012	Jul. 10, 2011	Oct. 02, 2011
Defined Benefit Plan Disclosure [Line Items]
Enhanced pension benefits		$ 6,167	$ 0	$ 6,167	$ 0
Discount rate	4.78%					5.60%
Expected long-term return on assets	7.25%					7.75%
Increase to accumulated other comprehensive loss, net		(42,371)	0	(42,371)	0
Defined Benefit Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost		2,229	2,489	7,304	8,298
Interest cost		5,347	4,980	17,538	16,600
Expected return on plan assets		(4,743)	(4,785)	(15,504)	(15,948)
Actuarial loss		2,974	2,268	9,657	7,557
Amortization of unrecognized prior service cost		99	113	332	376
Net periodic benefit cost		5,906	5,065	19,327	16,883
Postretirement Healthcare Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost		14	19	47	61
Interest cost		374	366	1,244	1,220
Actuarial loss		21	46	69	155
Amortization of unrecognized prior service cost		0	7	0	24
Net periodic benefit cost		$ 409	$ 438	$ 1,360	$ 1,460