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	6 Months Ended
	Jun. 26, 2016	Dec. 27, 2015	Jun. 28, 2015
Derivative [Line Items]
Notional amount of derivative	$ 1,779,982	$ 1,532,198	$ 1,395,299
Fair value of hedged item	$ 49,096	107,438	102,622
Inventory Purchases [Member]
Derivative [Line Items]
Hedge description of hedged item	Inventory purchases
Notional amount of derivative	$ 1,301,560	1,380,488	1,081,451
Fair value of hedged item	$ 54,698	108,521	111,252
Sales [Member]
Derivative [Line Items]
Hedge description of hedged item	Sales
Notional amount of derivative	$ 218,459	97,350	239,415
Fair value of hedged item	$ (2,792)	803	(7,659)
Royalties and Other [Member]
Derivative [Line Items]
Hedge description of hedged item	Royalties and Other
Notional amount of derivative	$ 259,963	54,360	74,433
Fair value of hedged item	$ (2,810)	$ (1,886)	$ (971)