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Derivative Instruments and Hedging - Derivatives Balance Sheet Location (Details) (Foreign Exchange Contract, Designated as Hedging Instrument, USD $)
In Thousands, unless otherwise specified
Mar. 29, 2014
Dec. 31, 2013
Derivative, Fair Value, Net [Abstract]    
Total derivatives $ (2) $ (7)
Other Current Assets
   
Derivative, Fair Value, Net [Abstract]    
Foreign exchange contracts, other current assets 3 12
Other Current Liabilities
   
Derivative, Fair Value, Net [Abstract]    
Foreign exchange contracts, other current liabilities $ (5) $ (19)