Derivative Financial Instruments, Notional Amounts and Fair Values of Foreign Currency Forward Contracts Designated as Cash Flow Hedging Instruments (Details) - Cash Flow Hedging [Member] - Designated as Hedging Instrument [Member] - USD ($) $ in Thousands	Oct. 01, 2017	Dec. 25, 2016	Sep. 25, 2016
Foreign Exchange Forward [Member]
Derivative [Line Items]
Notional amount of derivative	$ 1,740,620	$ 1,434,758	$ 1,597,050
Fair value of hedged item	(11,949)	71,928	18,992
Inventory Purchases [Member]
Derivative [Line Items]
Notional amount of derivative	894,529	945,728	1,045,400
Fair value of hedged item	(16,597)	60,520	23,662
Sales [Member]
Derivative [Line Items]
Notional amount of derivative	579,421	290,181	318,283
Fair value of hedged item	17,215	9,775	(559)
Royalties and Other [Member]
Derivative [Line Items]
Notional amount of derivative	266,670	198,849	233,367
Fair value of hedged item	$ (12,567)	$ 1,633	$ (4,111)