DERIVATIVE FINANCIAL INSTRUMENTS (Details 1) (USD $)
In Millions, unless otherwise specified
Sep. 30, 2014
Dec. 31, 2013
Sep. 30, 2013
Copper Commodity Forward Contracts
     
Derivative [Line Items]      
Notional amount $ 56.2 $ 45.3 $ 58.3
Zinc Commodity Forward Contracts
     
Derivative [Line Items]      
Notional amount 5.9 4.5 5.8
Lead Commodity Forward Contracts
     
Derivative [Line Items]      
Notional amount 16.4 22.8 28.8
Natural Gas Commodity Forward Contracts
     
Derivative [Line Items]      
Notional amount $ 7.4 $ 5.5 $ 7.4