Derivative Financial Instruments, Gain (Loss) by Hedging Relationship, by Income Statement Location (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Apr. 01, 2012	Mar. 27, 2011
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gains reclassified from accumulated other comprehensive income into earnings	$ 1,407	$ 1,846
Net Revenues [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Effective portion, amount of gains reclassified from other comprehensive earnings into earnings	1
Foreign Exchange Forward [Member] | Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of loss recognized in other income (expense) related to certain derivatives not qualified for hedge accounting		3,700
Ineffective portion, amount of gains (losses) reclassified from other comprehensive earnings into earnings	(2)
Foreign Exchange Forward [Member] | Cash Flow Hedging [Member] | Cost of Sales [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Effective portion, amount of gains reclassified from other comprehensive earnings into earnings	1,266	1,024
Foreign Exchange Forward [Member] | Cash Flow Hedging [Member] | Royalty Expense[Member]
Derivative Instruments, Gain (Loss) [Line Items]
Effective portion, amount of gains reclassified from other comprehensive earnings into earnings	142	822
Foreign Exchange Forward [Member] | Fair Value Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, (Gain) Loss Recognized in Income, Net	$ 2,114	$ (1,698)