Other Comprehensive Earnings (Loss) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 29, 2014	Jun. 30, 2013	Jun. 29, 2014	Jun. 30, 2013
Other Comprehensive Earnings (Loss) [Abstract]
Tax benefit (expense) on cash flow hedging activities	$ 5,437	$ (1,260)	$ 14,911	$ (2,971)
Tax expense on unrealized holding gains	(727)	0	(1,999)	0
Reclassification Adjustment from AOCE, Tax (benefit) expense on cash flow hedging activities	(119)	286	(342)	419
Reclassification Adjustment from AOCE, Tax (benefit) expense on unrecognized pension and postretirement amounts	(321)	(712)	(624)	(1,424)
Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent, Total	4,270	(1,686)	11,946	(3,976)
Cash Flow Hedge Loss to be Reclassified within Twelve Months	(11,409)
Accumulated Other Comprehensive (Loss) [Line Items]
Total accumulated other comprehensive earnings (loss), Beginning of Year			(34,135)	(72,307)
Other Comprehensive Earnings (Loss), Net of Tax, Total	(3,219)	(9,700)	(17,649)	(5,559)
Total accumulated other comprehensive earnings (loss), End of Period	(51,784)	(77,866)	(51,784)	(77,866)
Pension and Postretirement Amounts [Member]
Accumulated Other Comprehensive (Loss) [Line Items]
Total accumulated other comprehensive earnings (loss), Beginning of Year			(64,841)	(120,422)
Other Comprehensive Earnings (Loss), Net of Tax, Total			1,100	4,972
Total accumulated other comprehensive earnings (loss), End of Period	(63,741)	(115,450)	(63,741)	(115,450)
Gains (Losses) On Derivative Instruments [Member]
Accumulated Other Comprehensive (Loss) [Line Items]
Total accumulated other comprehensive earnings (loss), Beginning of Year			(7,313)	(1,008)
Other Comprehensive Earnings (Loss), Net of Tax, Total			(26,316)	11,342
Total accumulated other comprehensive earnings (loss), End of Period	(33,629)	10,334	(33,629)	10,334
Unrealized Holding Gains on Available-for-Sale Securities [Member]
Accumulated Other Comprehensive (Loss) [Line Items]
Total accumulated other comprehensive earnings (loss), Beginning of Year			0	0
Other Comprehensive Earnings (Loss), Net of Tax, Total			3,525	0
Total accumulated other comprehensive earnings (loss), End of Period	3,525	0	3,525	0
Foreign Currency Translation Adjustments [Member]
Accumulated Other Comprehensive (Loss) [Line Items]
Total accumulated other comprehensive earnings (loss), Beginning of Year			38,019	49,123
Other Comprehensive Earnings (Loss), Net of Tax, Total			4,042	(21,873)
Total accumulated other comprehensive earnings (loss), End of Period	$ 42,061	$ 27,250	$ 42,061	$ 27,250