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	Apr. 02, 2017	Dec. 25, 2016	Mar. 27, 2016
Foreign Exchange Forward [Member]
Derivative [Line Items]
Notional amount of derivative	$ 1,722,071	$ 1,434,758	$ 1,630,256
Fair value of hedged item	35,449	71,928	65,929
Inventory Purchases [Member]
Derivative [Line Items]
Notional amount of derivative	974,235	945,728	1,277,977
Fair value of hedged item	35,711	60,520	69,748
Sales [Member]
Derivative [Line Items]
Notional amount of derivative	423,828	290,181	82,072
Fair value of hedged item	1,083	9,775	258
Royalties and Other [Member]
Derivative [Line Items]
Notional amount of derivative	324,008	198,849	270,207
Fair value of hedged item	$ (1,345)	$ 1,633	$ (4,077)