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Condensed Consolidated Statements of Comprehensive Loss (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Apr. 01, 2012
Net loss $ (9,508) $ (1,119)
Other comprehensive income (loss), net of tax    
Foreign currency translation adjustments (459) 104
Unrealized investment gain (29) 15
Other comprehensive income (loss) (488) 119
Comprehensive loss $ (9,996) $ (1,000)