Derivative Financial Instruments, Gain (Loss) by Hedging Relationship, by Income Statement Location (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
Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Ineffective portion, amount of gains (losses) reclassified from other comprehensive earnings into earnings	$ 0	$ 233	$ 62	$ 165
Fair Value Hedging [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Income, Net	(20,050)	2,467	(19,988)	2,557
Foreign Exchange Forward [Member] | Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Effective portion, amount of gains (losses) reclassified from other comprehensive earnings into earnings	(7,565)	4,217	(9,236)	5,744
Foreign Exchange Forward [Member] | Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member] | Cost of Sales [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Effective portion, amount of gains (losses) reclassified from other comprehensive earnings into earnings	(3,165)	1,614	(3,363)	1,650
Foreign Exchange Forward [Member] | Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member] | Royalty Expense[Member]
Derivative Instruments, Gain (Loss) [Line Items]
Effective portion, amount of gains (losses) reclassified from other comprehensive earnings into earnings	(923)	(303)	(1,533)	(347)
Foreign Exchange Forward [Member] | Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member] | Sales [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Effective portion, amount of gains (losses) reclassified from other comprehensive earnings into earnings	(3,477)	2,906	(4,340)	4,441
Interest Rate Contract [Member] | Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member] | Interest Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Effective portion, amount of gains (losses) reclassified from other comprehensive earnings into earnings	$ (450)		$ (707)