Derivative Financial Instruments (Details) - USD ($) $ in Thousands	6 Months Ended		12 Months Ended
	Jun. 28, 2015	Jun. 29, 2014	Dec. 28, 2014
Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Notional amount of hedged item	$ 1,395,299	$ 979,915	$ 1,054,391
Fair value of hedged item	$ 102,622	$ (15,062)	$ 68,870
Inventory Purchases [Member] | Cash Flow Hedging [Member] | Designated as Hedging Instrument [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	$ 1,081,451	$ 747,516	$ 863,232
Fair value of hedged item	$ 111,252	$ (8,500)	$ 69,049
Sales [Member] | Cash Flow Hedging [Member] | Designated as Hedging Instrument [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	$ 239,415	$ 189,357	$ 139,946
Fair value of hedged item	$ (7,659)	$ (4,613)	$ 829
Other [Member] | Cash Flow Hedging [Member] | Designated as Hedging Instrument [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	$ 74,433	$ 43,042	$ 51,213
Fair value of hedged item	$ (971)	$ (1,949)	$ (1,008)
Intercompany Loans [Member] | Fair Value Hedging [Member] | Not Designated as Hedging Instrument [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	$ 124,171	$ 248,908	$ 294,571
Fair value of hedged item	$ 536	$ (536)	$ (2,313)