Derivative Financial Instruments (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended		12 Months Ended
	Jun. 30, 2013	Jul. 01, 2012	Dec. 30, 2012
Cash Flow Hedging [Member]
Derivative [Line Items]
Notional amount of hedged item	$ 598,112	$ 604,758	$ 624,644
Fair value of hedged item	14,293	14,838	(1,393)
Inventory Purchases [Member] | Cash Flow Hedging [Member]
Derivative [Line Items]
Hedge description of hedged item	Inventory purchases	Inventory purchases	Inventory purchases
Underlying risk	foreign currency	foreign currency	foreign currency
Notional amount of hedged item	342,616	374,658	397,770
Fair value of hedged item	8,295	13,387	(2,638)
Intercompany Royalty Transactions [Member] | Cash Flow Hedging [Member]
Derivative [Line Items]
Hedge description of hedged item	Intercompany royalty transactions	Intercompany royalty transactions	Intercompany royalty transactions
Underlying risk	foreign currency	foreign currency	foreign currency
Notional amount of hedged item	118,116	126,276	131,693
Fair value of hedged item	2,154	4,272	(1,168)
Sales [Member] | Cash Flow Hedging [Member]
Derivative [Line Items]
Hedge description of hedged item	Sales	Sales	Sales
Underlying risk	foreign currency	foreign currency	foreign currency
Notional amount of hedged item	112,278	85,693	92,761
Fair value of hedged item	4,193	(2,840)	2,458
Other [Member] | Cash Flow Hedging [Member]
Derivative [Line Items]
Hedge description of hedged item	Other	Other	Other
Underlying risk	foreign currency	foreign currency	foreign currency
Notional amount of hedged item	25,102	18,131	2,420
Fair value of hedged item	(349)	19	(45)
Intercompany Loans [Member] | Fair Value Hedging [Member]
Derivative [Line Items]
Hedge description of hedged item	intercompany loans	intercompany loans	intercompany loans
Underlying risk	foreign currency	foreign currency	foreign currency
Notional amount of hedged item	150,810	65,109	189,217
Fair value of hedged item	$ 372	$ (546)	$ (327)