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Derivative Financial Instruments and Hedging Activities (Details Textual)
In Millions, unless otherwise specified
 12 Months Ended 12 Months Ended
Dec. 31, 2012
USD ($)
Dec. 31, 2011
USD ($)
Dec. 31, 2010
USD ($)
Dec. 31, 2012
Designated as Hedging Instrument [Member]
USD ($)
Dec. 31, 2012
Designated as Hedging Instrument [Member]
CAD
Dec. 31, 2011
Designated as Hedging Instrument [Member]
USD ($)
Dec. 31, 2011
Designated as Hedging Instrument [Member]
CAD
Dec. 31, 2012
Designated as Hedging Instrument [Member]
Other contract [Member]
USD ($)
Dec. 31, 2012
Designated as Hedging Instrument [Member]
Other contract [Member]
CAD
Dec. 31, 2012
Not Designated as Hedging Instrument [Member]
USD ($)
Dec. 31, 2012
Not Designated as Hedging Instrument [Member]
CAD
Dec. 31, 2011
Not Designated as Hedging Instrument [Member]
USD ($)
Dec. 31, 2011
Not Designated as Hedging Instrument [Member]
CAD
Derivatives, Fair Value [Line Items]                          
Notional amount of Canadian forward contracts       $ 12.4 12.3 $ 8.5 8.6     $ 2.7 2.6 $ 1.5 1.5
Notional amount of Canadian forward contracts with maturity periods greater than 12 months               3.1 3.1        
Maximum maturity period for Canadian forward contracts with maturity periods greater than 12 months       15 months 15 months                
Derivative Instruments and Hedging Activities (Textual) [Abstract]                          
Maturity period for Canadian forward contracts 12 months                        
Unrealized pretax loss on outstanding derivatives accumulated in other comprehensive loss expected to be reclassified within 12 months 0.1                        
Gains and Losses from derivative contracts not designated as hedging instruments recognized in net sales $ (0.4) $ 0.1 $ (0.6)