Other Comprehensive Earnings (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 28, 2015	Jun. 29, 2014	Jun. 28, 2015	Jun. 29, 2014
Other Comprehensive Earnings (Loss) [Abstract]
Tax benefit (expense) on cash flow hedging activities	$ 853	$ 5,437	$ (3,962)	$ 14,911
Tax expense on unrealized holding gains	(408)	(727)	(536)	(1,999)
Reclassification Adjustment from AOCE, Tax expense (benefit) on cash flow hedging activities	708	(119)	1,050	(342)
Reclassification Adjustment from AOCE, Tax benefit on unrecognized pension and postretirement amounts	(596)	(321)	(1,280)	(624)
Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent, Total	557	4,270	(4,728)	11,946
Cash Flow Hedge gains to be Reclassified within Twelve Months	46,129
Accumulated Other Comprehensive (Loss) [Line Items]
Total accumulated other comprehensive earnings (loss), Beginning of Year			(95,454)	(34,135)
Other Comprehensive Earnings (Loss), Net of Tax, Total	(16,480)	(3,219)	(8,022)	(17,649)
Total accumulated other comprehensive earnings (loss), End of Period	(103,476)	(51,784)	(103,476)	(51,784)
Pension and Postretirement Amounts [Member]
Accumulated Other Comprehensive (Loss) [Line Items]
Total accumulated other comprehensive earnings (loss), Beginning of Year			(113,092)	(64,841)
Other Comprehensive Earnings (Loss), Net of Tax, Total			2,497	1,100
Total accumulated other comprehensive earnings (loss), End of Period	(110,595)	(63,741)	(110,595)	(63,741)
Gains (Losses) On Derivative Instruments [Member]
Accumulated Other Comprehensive (Loss) [Line Items]
Total accumulated other comprehensive earnings (loss), Beginning of Year			43,689	(7,313)
Other Comprehensive Earnings (Loss), Net of Tax, Total			35,209	(26,316)
Total accumulated other comprehensive earnings (loss), End of Period	78,898	(33,629)	78,898	(33,629)
Gains (Losses) On Derivative Instruments [Member] | Interest Rate Contract [Member]
Accumulated Other Comprehensive (Loss) [Line Items]
Total accumulated other comprehensive earnings (loss), End of Period	(19,937)		(19,937)
Gains (Losses) On Derivative Instruments [Member] | Foreign Exchange Forward [Member]
Accumulated Other Comprehensive (Loss) [Line Items]
Total accumulated other comprehensive earnings (loss), End of Period	98,835		98,835
Foreign Currency Translation Adjustments [Member]
Accumulated Other Comprehensive (Loss) [Line Items]
Total accumulated other comprehensive earnings (loss), Beginning of Year			(27,951)	38,019
Other Comprehensive Earnings (Loss), Net of Tax, Total			(46,669)	4,042
Total accumulated other comprehensive earnings (loss), End of Period	(74,620)	42,061	(74,620)	42,061
Unrealized Holding Gains on Available-for-Sale Securities [Member]
Accumulated Other Comprehensive (Loss) [Line Items]
Total accumulated other comprehensive earnings (loss), Beginning of Year			1,900	0
Other Comprehensive Earnings (Loss), Net of Tax, Total			941	3,525
Total accumulated other comprehensive earnings (loss), End of Period	$ 2,841	$ 3,525	$ 2,841	$ 3,525