Foreign Currency Derivatives (Details) (USD $)	Sep. 29, 2013	Dec. 30, 2012
Designated as Hedging Instrument [Member] | Prepaid Expenses and Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Net		$ 519,000
Designated as Hedging Instrument [Member] | Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Net	1,011,000
Designated as Hedging Instrument [Member] | Accrued Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative Liability, Fair Value, Net		410,000
Designated as Hedging Instrument [Member] | Liability [Member]
Derivatives, Fair Value [Line Items]
Derivative Liability, Fair Value, Net	1,967,000
Not Designated as Hedging Instrument [Member] | Prepaid Expenses and Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Net	1,571,000	756,000
Not Designated as Hedging Instrument [Member] | Accrued Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative Liability, Fair Value, Net	5,778,000	4,481,000
Foreign Exchange Forward [Member] | Designated as Hedging Instrument [Member]
Notional Amount of Derivatives [Abstract]
Derivative Asset, Notional Amount	72,400,000	26,400,000
Foreign Exchange Forward [Member] | Designated as Hedging Instrument [Member] | Accrued Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative Liability, Fair Value, Net	498,000	23,000
Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member]
Notional Amount of Derivatives [Abstract]
Derivative Asset, Notional Amount	106,400,000	121,800,000
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	1,498,000	731,000
Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member] | Accrued Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative Liability, Fair Value, Net	5,699,000	4,455,000
Foreign Exchange Option [Member] | Designated as Hedging Instrument [Member]
Notional Amount of Derivatives [Abstract]
Derivative Asset, Notional Amount	117,500,000	71,000,000
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	627,000	519,000
Foreign Exchange Option [Member] | Designated as Hedging Instrument [Member] | Other Long-Term Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Net	384,000	0
Foreign Exchange Option [Member] | Designated as Hedging Instrument [Member] | Accrued Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative Liability, Fair Value, Net	974,000	387,000
Foreign Exchange Option [Member] | Designated as Hedging Instrument [Member] | Other Long-term Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative Liability, Fair Value, Net	495,000	0
Foreign Exchange Option [Member] | Not Designated as Hedging Instrument [Member]
Notional Amount of Derivatives [Abstract]
Derivative Asset, Notional Amount	20,700,000	0
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	73,000	25,000
Foreign Exchange Option [Member] | Not Designated as Hedging Instrument [Member] | Accrued Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative Liability, Fair Value, Net	$ 79,000	$ 26,000