Foreign Currency Derivatives (Details) (USD $)	Jul. 01, 2012	Jan. 01, 2012
Designated as Hedging Instrument [Member] | Prepaid Expenses and Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Net	$ 2,376,000	$ 5,597,000
Not Designated as Hedging Instrument [Member] | Prepaid Expenses and Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Net	10,719,000	28,825,000
Foreign Exchange Forward [Member] | Designated as Hedging Instrument [Member]
Notional Amount of Derivatives, [Abstract]
Derivative Asset, Notional Amount	82,900,000	38,800,000
Foreign Exchange Forward [Member] | Designated as Hedging Instrument [Member] | Prepaid Expenses and Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Net	0	47,000
Foreign Exchange Forward [Member] | Designated as Hedging Instrument [Member] | Accrued Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative Liability, Fair Value, Net	9,000	105,000
Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member]
Notional Amount of Derivatives, [Abstract]
Derivative Asset, Notional Amount	13,000,000	162,000,000
Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member] | Prepaid Expenses and Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Net	10,719,000	23,745,000
Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member] | Accrued Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative Liability, Fair Value, Net	2,761,000	14,830,000
Foreign Exchange Option [Member] | Designated as Hedging Instrument [Member]
Notional Amount of Derivatives, [Abstract]
Derivative Asset, Notional Amount	25,200,000	67,200,000
Foreign Exchange Option [Member] | Designated as Hedging Instrument [Member] | Prepaid Expenses and Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Net	2,376,000	5,550,000
Foreign Exchange Option [Member] | Not Designated as Hedging Instrument [Member]
Notional Amount of Derivatives, [Abstract]
Derivative Asset, Notional Amount	0	63,200,000
Foreign Exchange Option [Member] | Not Designated as Hedging Instrument [Member] | Prepaid Expenses and Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Net	$ 0	$ 5,080,000