Derivative Financial Instruments, Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type (Details) (Foreign Exchange Forward [Member], USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 28, 2014	Dec. 29, 2013
Designated as Hedging Instrument [Member] | Prepaid expenses and other current assets [Member]
Derivatives, Fair Value [Line Items]
Unrealized gains	$ 46,594	$ 1,088
Unrealized losses	(11,508)	(702)
Net unrealized gain (loss)	35,086	386
Designated as Hedging Instrument [Member] | Other Assets [Member]
Derivatives, Fair Value [Line Items]
Unrealized gains	34,234	0
Unrealized losses	(172)	0
Net unrealized gain (loss)	34,062	0
Designated as Hedging Instrument [Member] | Other Liabilities [Member]
Derivatives, Fair Value [Line Items]
Unrealized gains	0	0
Unrealized losses	0	(2,070)
Net unrealized gain (loss)	0	(2,070)
Designated as Hedging Instrument [Member] | Accrued Liabilities [Member]
Derivatives, Fair Value [Line Items]
Unrealized gains	447	3,425
Unrealized losses	(725)	(13,671)
Net unrealized gain (loss)	(278)	(10,246)
Not Designated as Hedging Instrument [Member] | Other Assets [Member]
Derivatives, Fair Value [Line Items]
Unrealized gains	0	1,069
Unrealized losses	0	0
Net unrealized gain (loss)	0	1,069
Not Designated as Hedging Instrument [Member] | Accrued Liabilities [Member]
Derivatives, Fair Value [Line Items]
Unrealized gains	1,733	478
Unrealized losses	(4,046)	(492)
Net unrealized gain (loss)	$ (2,313)	$ (14)