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Derivative Instruments - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2013
Jul. 01, 2012
Jun. 30, 2013
Jul. 01, 2012
Derivative Instruments and Hedging Activities Disclosure [Line Items]        
Notional amounts of the forward contracts $ 123.3   $ 123.3  
Foreign exchange forward contracts, settlement, period, in days     30 days  
Net gain (loss) from forward contracts, recorded in selling, general and administrative expense (1.4) (2.4) (3.9) (1.5)
Net (liability) asset recorded in other current assets or accounts payable and accrued expenses $ (0.4) $ 0.7 $ (0.4) $ 0.7