Other Comprehensive Earnings (Loss) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 30, 2014	Mar. 31, 2013
Other Comprehensive Earnings (Loss) [Abstract]
Tax benefit (expense) on cash flow hedging activities	$ 9,474	$ (1,712)
Tax expense on unrealized holding gains	(1,272)	0
Reclassification Adjustment from AOCE, Tax (benefit) expense on cash flow hedging activities	(223)	133
Reclassification Adjustment from AOCE, Tax (benefit) expense on unrecognized pension and postretirement amounts	(303)	(712)
Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent, Total	7,676	(2,291)
Cash Flow Hedge Loss to be Reclassified within Twelve Months	(6,441)
Accumulated Other Comprehensive Earnings (Loss) [Line Items]
Total accumulated other comprehensive earnings (loss), Beginning of Year	(34,135)	(72,307)
Other Comprehensive Earnings (Loss), Net of Tax, Total	(14,430)	4,141
Total accumulated other comprehensive earnings (loss), End of Period	(48,565)	(68,166)
Pension and Postretirement Amounts [Member]
Accumulated Other Comprehensive Earnings (Loss) [Line Items]
Total accumulated other comprehensive earnings (loss), Beginning of Year	(64,841)	(120,422)
Other Comprehensive Earnings (Loss), Net of Tax, Total	534	1,255
Total accumulated other comprehensive earnings (loss), End of Period	(64,307)	(119,167)
Gains (Losses) On Derivative Instruments [Member]
Accumulated Other Comprehensive Earnings (Loss) [Line Items]
Total accumulated other comprehensive earnings (loss), Beginning of Year	(7,313)	(1,008)
Other Comprehensive Earnings (Loss), Net of Tax, Total	(14,913)	10,234
Total accumulated other comprehensive earnings (loss), End of Period	(22,226)	9,226
Unrealized Holding Gains on Available-for-Sale Securities [Member]
Accumulated Other Comprehensive Earnings (Loss) [Line Items]
Total accumulated other comprehensive earnings (loss), Beginning of Year	0	0
Other Comprehensive Earnings (Loss), Net of Tax, Total	2,243	0
Total accumulated other comprehensive earnings (loss), End of Period	2,243	0
Foreign Currency Translation Adjustments [Member]
Accumulated Other Comprehensive Earnings (Loss) [Line Items]
Total accumulated other comprehensive earnings (loss), Beginning of Year	38,019	49,123
Other Comprehensive Earnings (Loss), Net of Tax, Total	(2,294)	(7,348)
Total accumulated other comprehensive earnings (loss), End of Period	$ 35,725	$ 41,775