Derivative Financial Instruments, Notional Amounts and Fair Values of Foreign Currency Forward Contracts Designated as Cash Flow Hedging Instruments (Details) - Foreign Exchange Forward [Member] - Cash Flow Hedging [Member] - Designated as Hedging Instrument [Member] - USD ($) $ in Thousands	3 Months Ended
	Mar. 27, 2016	Dec. 27, 2015	Mar. 29, 2015
Derivative [Line Items]
Notional amount of hedged item	$ 1,630,256	$ 1,532,198	$ 1,229,537
Fair value of hedged item	$ 65,929	107,438	125,977
Inventory Purchases [Member]
Derivative [Line Items]
Hedge description of hedged item	Inventory purchases
Notional amount of hedged item	$ 1,277,977	1,380,488	912,376
Fair value of hedged item	$ 69,748	108,521	135,512
Sales [Member]
Derivative [Line Items]
Hedge description of hedged item	Sales
Notional amount of hedged item	$ 82,072	97,350	232,643
Fair value of hedged item	$ 258	803	(6,769)
Royalties and Other [Member]
Derivative [Line Items]
Hedge description of hedged item	Royalties and Other
Notional amount of hedged item	$ 270,207	54,360	84,518
Fair value of hedged item	$ (4,077)	$ (1,886)	$ (2,766)