Derivative Financial Instruments, Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type (Details) (Foreign Exchange Forward [Member], USD $) In Thousands, unless otherwise specified	6 Months Ended		12 Months Ended
	Jul. 01, 2012	Jun. 26, 2011	Dec. 25, 2011
Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Total assets derivatives, Cash Flow Hedges	$ 14,859	$ 0	$ 9,799
Total liability derivatives, Cash Flow Hedges	(21)	(28,230)	(59)
Designated as Hedging Instrument [Member] | Prepaid expenses and other current assets [Member]
Derivatives, Fair Value [Line Items]
Unrealized gains	14,113	0	11,965
Unrealized losses	(4,250)	0	(4,187)
Net unrealized gain (loss)	9,863	0	7,778
Designated as Hedging Instrument [Member] | Other Assets [Member]
Derivatives, Fair Value [Line Items]
Unrealized gains	5,066	0	2,113
Unrealized losses	(70)	0	(92)
Net unrealized gain (loss)	4,996	0	2,021
Designated as Hedging Instrument [Member] | Accrued liabilities [Member]
Derivatives, Fair Value [Line Items]
Unrealized gains	3	9,695	12
Unrealized losses	(18)	(20,801)	(50)
Net unrealized gain (loss)	(15)	(11,106)	(38)
Designated as Hedging Instrument [Member] | Other liabilities [Member]
Derivatives, Fair Value [Line Items]
Unrealized gains	0	1,041	0
Unrealized losses	(6)	(18,165)	(21)
Net unrealized gain (loss)	(6)	(17,124)	(21)
Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Total assets derivatives, Cash Flow Hedges	198
Total liability derivatives, Cash Flow Hedges	(744)	1,551	(1,849)
Not Designated as Hedging Instrument [Member] | Prepaid expenses and other current assets [Member]
Derivatives, Fair Value [Line Items]
Unrealized gains	720	0	0
Unrealized losses	(522)	0	0
Net unrealized gain (loss)	198	0	0
Not Designated as Hedging Instrument [Member] | Accrued liabilities [Member]
Derivatives, Fair Value [Line Items]
Unrealized gains	0	1,675	41
Unrealized losses	0	(124)	(786)
Net unrealized gain (loss)	0	1,551	(745)
Not Designated as Hedging Instrument [Member] | Other liabilities [Member]
Derivatives, Fair Value [Line Items]
Unrealized gains	0	0	0
Unrealized losses	(744)	0	(1,104)
Net unrealized gain (loss)	$ (744)	$ 0	$ (1,104)