Foreign Currency Derivatives (Details) (USD $)	Apr. 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	$ 3,383,000	$ 5,597,000
Designated as Hedging Instrument [Member] | Accrued Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative Liability, Fair Value, Net	4,000	105,000
Not Designated as Hedging Instrument [Member] | Prepaid Expenses and Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Net	7,612,000	28,825,000
Foreign Exchange Forward [Member] | Designated as Hedging Instrument [Member]
Notional Amount of Derivatives, [Abstract]
Derivative Asset, Notional Amount	45,000,000	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	102,000	47,000
Foreign Exchange Forward [Member] | Designated as Hedging Instrument [Member] | Accrued Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative Liability, Fair Value, Net	0	105,000
Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member]
Notional Amount of Derivatives, [Abstract]
Derivative Asset, Notional Amount	25,000,000	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	6,172,000	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	7,345,000	14,830,000
Foreign Exchange Option [Member] | Designated as Hedging Instrument [Member]
Notional Amount of Derivatives, [Abstract]
Derivative Asset, Notional Amount	48,000,000	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	3,281,000	5,550,000
Foreign Exchange Option [Member] | Designated as Hedging Instrument [Member] | Accrued Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative Liability, Fair Value, Net	4,000	0
Foreign Exchange Option [Member] | Not Designated as Hedging Instrument [Member]
Notional Amount of Derivatives, [Abstract]
Derivative Asset, Notional Amount	15,000,000	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	$ 1,440,000	$ 5,080,000