Pension and Postretirement Plans (Tables)

6 Months Ended

Jul. 03, 2011

Pension Plans [Member]

Components of Total Cost (Income) from Defined Benefit Plans

	Pension Plans
	Thirteen Weeks Ended						Twenty-Six Weeks Ended
	July 3, 2011			July 4, 2010			July 3, 2011			July 4, 2010
Service cost	$	6,760		$	6,835		$	13,974		$	14,133
Interest cost		14,964			14,993			30,069			30,187
Expected return on assets		(24,064	)		(23,688	)		(47,553	)		(47,711	)
Amortization of transition asset		—			(7	)		—			(14	)
Amortization of prior service cost		882			1,103			1,763			2,206
Net periodic benefit		(1,458	)		(764	)		(1,747	)		(1,199	)
Early retirement programs expense		—			—			430			—
Total benefit	$	(1,458	)	$	(764	)	$	(1,317	)	$	(1,199	)

Supplemental Executive Retirement Plan (SERP) [Member]

Components of Total Cost (Income) from Defined Benefit Plans

	SERP
	Thirteen Weeks Ended				Twenty-Six Weeks Ended
	July 3, 2011		July 4, 2010		July 3, 2011		July 4, 2010
Service cost	$	380	$	344	$	760	$	689
Interest cost		1,084		1,072		2,168		2,144
Amortization of prior service cost		65		102		130		203
Recognized actuarial loss		353		238		706		476
Total cost	$	1,882	$	1,756	$	3,764	$	3,512

Other Postretirement Benefit Plans [Member]

Components of Total Cost (Income) from Defined Benefit Plans

	Postretirement Plans
	Thirteen Weeks Ended						Twenty-Six Weeks Ended
	July 3, 2011			July 4, 2010			July 3, 2011			July 4, 2010
Service cost	$	718		$	846		$	1,436		$	1,693
Interest cost		765			998			1,531			1,995
Amortization of prior service credit		(1,412	)		(1,288	)		(2,825	)		(2,575	)
Recognized actuarial gain		(480	)		(512	)		(960	)		(1,025	)
Total periodic (benefit) cost	$	(409	)	$	44		$	(818	)	$	88

Defined Benefit Plan, Benefit Obligation [Member]

Allocation of the Pension Plans Assets

	Pension Plan Asset Allocations
	June 30, 2011			December 31, 2010
U.S. equities		65	%		66	%
U.S. fixed income		12	%		19	%
International equities		23	%		15	%
Total		100	%		100	%