Financial Instruments and Derivatives - Effect of Derivative Instruments on Financial Performance (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 28, 2014	Sep. 29, 2013	Sep. 28, 2014	Sep. 29, 2013
Foreign Exchange Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain or (Loss) Recognized in OCI on Derivative (Effective Portion)	$ (55)	$ 959	$ 420	$ 5,482
Foreign Exchange Contracts [Member] | Net Sales [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain or (Loss) Reclassified from Accumulated OCI Into Income (Effective Portion)	241	809	(1,669)	3,051
Amount of Gain or (Loss) Recognized in Income on Derivative (Ineffective Portion)	0	0	0	0
Foreign Exchange Contracts [Member] | Cost of Sales [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain or (Loss) Reclassified from Accumulated OCI Into Income (Effective Portion)	232	(871)	2,343	(1,921)
Foreign Exchange Contracts [Member] | Cost of Sales [Member] | Derivatives Not Designated as Hedging Instruments [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain or (Loss) Recognized	77	(770)	(359)	(1,941)
Foreign Exchange Contracts [Member] | Selling, General and Administrative [Member] | Derivatives Not Designated as Hedging Instruments [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain or (Loss) Recognized	(194)	(67)	(41)	(207)
Commodity Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain or (Loss) Recognized in OCI on Derivative (Effective Portion)	(1,250)	(309)	1,519	(1,237)
Commodity Contracts [Member] | Cost of Sales [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain or (Loss) Reclassified from Accumulated OCI Into Income (Effective Portion)	123	(1,528)	1,248	(3,917)
Amount of Gain or (Loss) Recognized in Income on Derivative (Ineffective Portion)	$ 44	$ 10	$ 0	$ (51)