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Consolidated Statements of Comprehensive Income (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Apr. 01, 2012
Consolidated Statements of Comprehensive Income    
Net income (loss) $ 5,070 $ (7,088)
Other comprehensive income (loss), net of tax:    
Foreign currency translation adjustments (577) 398
Change in pension and retirement benefit plans 133 1,945
Comprehensive income (loss) $ 4,626 $ (4,745)