Other Comprehensive Earnings (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 29, 2013	Sep. 30, 2012	Sep. 29, 2013	Sep. 30, 2012
Other Comprehensive Earnings [Abstract]
Other Comprehensive Earnings, Net gains (losses) on cash flow hedging activities, Tax	$ 2,548	$ 861	$ (424)	$ (1,000)
Other Comprehensive Earnings, Reclassification Adjustment from AOCE, Net gains on cash flow hedging activities, Tax	861	501	1,280	1,063
Other Comprehensive Earnings, Reclassification Adjustment from AOCE, Unrecognized pension and postretirement amounts, Tax	712		2,136
Cash Flow Hedge Loss to be Reclassified within Twelve Months	(2,746)
Accumulated Other Comprehensive Earnings (Loss) [Line Items]
Total accumulated other comprehensive earnings (loss), Beginning of Year			(72,307)	(35,943)
Other Comprehensive Earnings (Loss), Net of Tax, Total	(857)	1,408	(6,416)	(2,292)
Total accumulated other comprehensive earnings (loss), End of Period	(78,723)	(38,235)	(78,723)	(38,235)
Pension and Postretirement Amounts [Member]
Accumulated Other Comprehensive Earnings (Loss) [Line Items]
Total accumulated other comprehensive earnings (loss), Beginning of Year			(120,422)	(86,822)
Other Comprehensive Earnings (Loss), Net of Tax, Total			7,291	0
Total accumulated other comprehensive earnings (loss), End of Period	(113,131)	(86,822)	(113,131)	(86,822)
Gains (Losses) On Derivative Instruments [Member]
Accumulated Other Comprehensive Earnings (Loss) [Line Items]
Total accumulated other comprehensive earnings (loss), Beginning of Year			(1,008)	10,081
Other Comprehensive Earnings (Loss), Net of Tax, Total			(4,827)	(3,405)
Total accumulated other comprehensive earnings (loss), End of Period	(5,835)	6,676	(5,835)	6,676
Foreign Currency Translation Adjustments [Member]
Accumulated Other Comprehensive Earnings (Loss) [Line Items]
Total accumulated other comprehensive earnings (loss), Beginning of Year			49,123	40,798
Other Comprehensive Earnings (Loss), Net of Tax, Total			(8,880)	1,113
Total accumulated other comprehensive earnings (loss), End of Period	$ 40,243	$ 41,911	$ 40,243	$ 41,911