Fair Value Measurement, Financial Instruments And Risk Management (Fair Values Of Derivative Instruments Included Within The Consolidated Balance Sheets) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 29, 2013	Dec. 30, 2012
Derivatives, Fair Value [Line Items]
Derivative Assets, Fair Value	$ 0	$ 193
Derivative Liabilities, Fair Value	18	208
Foreign Currency Revenue Forecast Contracts [Member]
Derivatives, Fair Value [Line Items]
Derivative Assets, Fair Value		14
Foreign Currency Forward Exchange Contracts [Member]
Derivatives, Fair Value [Line Items]
Derivative Assets, Fair Value	0	179
Derivative Liabilities, Fair Value	18	208
Derivatives Designated As Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Derivative Assets, Fair Value	0	14
Derivative Liabilities, Fair Value	0	0
Derivatives Designated As Hedging Instruments [Member] | Foreign Currency Revenue Forecast Contracts [Member] | Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative Assets, Fair Value	0	14
Derivatives Designated As Hedging Instruments [Member] | Foreign Currency Revenue Forecast Contracts [Member] | Other Current Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative Liabilities, Fair Value	0	0
Derivatives Not Designated As Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Derivative Assets, Fair Value	0	179
Derivative Liabilities, Fair Value	18	208
Derivatives Not Designated As Hedging Instruments [Member] | Foreign Currency Forward Exchange Contracts [Member] | Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative Assets, Fair Value	0	179
Derivatives Not Designated As Hedging Instruments [Member] | Foreign Currency Forward Exchange Contracts [Member] | Other Current Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative Liabilities, Fair Value	$ 18	$ 208