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Derivative Financial Instruments and Hedging Activities - Additional Information (Detail)
In Millions, unless otherwise specified
 12 Months Ended 12 Months Ended
Dec. 31, 2013
USD ($)
Dec. 31, 2012
USD ($)
Dec. 31, 2011
USD ($)
Dec. 31, 2013
Designated As Hedging Instrument [Member]
USD ($)
Dec. 31, 2013
Designated As Hedging Instrument [Member]
CAD
Dec. 31, 2012
Designated As Hedging Instrument [Member]
USD ($)
Dec. 31, 2012
Designated As Hedging Instrument [Member]
CAD
Dec. 31, 2013
Designated As Hedging Instrument [Member]
Other Contract [Member]
USD ($)
Dec. 31, 2013
Designated As Hedging Instrument [Member]
Other Contract [Member]
CAD
Dec. 31, 2013
Not Designated As Hedging Instrument [Member]
USD ($)
Dec. 31, 2013
Not Designated As Hedging Instrument [Member]
CAD
Dec. 31, 2012
Not Designated As Hedging Instrument [Member]
USD ($)
Dec. 31, 2012
Not Designated As Hedging Instrument [Member]
CAD
Derivatives, Fair Value [Line Items]                          
Notional amount of derivative contracts       $ 3.8 4.1 $ 12.4 12.3     $ 0.1 0.1 $ 2.7 2.6
Maximum maturity period for Canadian forward contracts with maturity periods greater than 12 months       13 months 13 months                
Maturity period for Canadian forward contracts 12 months                        
Notional amount of Canadian forward contracts with maturity periods greater than 12 months               3.8 4.0        
Gains (losses) from derivative contracts not designated as hedging instruments recognized in net sales (0.1) (0.4) 0.1                    
Unrealized pretax gain on outstanding derivatives accumulated in other comprehensive loss expected to be reclassified to net sales within next 12 months $ 0.1