Derivative Financial Instruments, Gain (Loss) by Hedging Relationship, by Income Statement Location (Details) (Foreign Exchange Forward [Member], USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 30, 2012	Dec. 25, 2011	Dec. 26, 2010
Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of net loss recognized in other income (expense) related to certain derivatives not qualified for hedge accounting		$ 3,700
Amount of net gains (losses) reclassified from other comprehensive earnings into earnings	8,762	(2,936)	17,780
Ineffective portion, amount of net gains (losses) reclassified from other comprehensive earnings into earnings	(94)	(109)	(132)
Cash Flow Hedging [Member] | Cost of Sales [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Effective portion, amount of net gains (losses) reclassified from other comprehensive earnings into earnings	9,644	(6,158)	13,249
Cash Flow Hedging [Member] | Royalty Expense[Member]
Derivative Instruments, Gain (Loss) [Line Items]
Effective portion, amount of net gains (losses) reclassified from other comprehensive earnings into earnings	1,845	2,895	4,663
Cash Flow Hedging [Member] | Net Revenues [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Effective portion, amount of net gains (losses) reclassified from other comprehensive earnings into earnings	(2,633)	436
Fair Value Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Net Gain (Loss) Recognized in Income, Net	$ 2,067	$ (9,098)	$ (4,827)