Condensed Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended				9 Months Ended
	Oct. 04, 2014		Oct. 05, 2013		Oct. 04, 2014		Oct. 05, 2013
Net income	$ 44,599		$ 33,888		$ 147,729		$ 192,374
Pension and postretirement plans:
Amortization of prior service credit included in net income	(66)		(36)		(222)		(121)
Amortization of actuarial loss included in net income	191		763		637		2,543
Pension and postretirement plans, net of tax	125		727		415		2,422
Derivative instruments:
Net change in fair value of derivatives	(9,092)	[1]	(1,585)	[1]	(9,908)	[1]	(17,124)	[1]
Loss reclassified to net income	(1,181)		5,906		2,249		13,800
Derivative instruments, net of tax	(10,273)		4,321		(7,659)		(3,324)
Other comprehensive income (loss), net of tax	(10,148)		5,048		(7,244)		(902)
Comprehensive income	$ 34,451		$ 38,936		$ 140,485		$ 191,472

[1] Amounts in parentheses indicate debits to determine net income.