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Comprehensive Income (Details) (USD $)
Apr. 01, 2012
Dec. 31, 2011
Accumulated other comprehensive income, net of related tax [Abstract]    
Foreign currency translation adjustments $ 38,600,000 $ 29,900,000
Unrecognized pension costs (75,700,000) (77,500,000)
Net gain (loss) on cash flow hedges 1,800,000 2,300,000
Accumulated other comprehensive income (loss) $ (35,312,000) $ (45,331,000)