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Derivative Instruments (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Apr. 01, 2012
D
Apr. 03, 2011
Dec. 31, 2011
Apr. 01, 2011
Derivative Instruments [Abstract]        
Notional amounts of the forward contracts       $ 106.8
Foreign exchange forward contracts, settlement, period, in days 30      
Net loss (gain) from forward contracts, recorded in selling, general and administrative expense (0.9) 0.6    
Net liability recorded in accounts payable and accrued expenses $ (0.3)   $ (0.8)