DERIVATIVE FINANCIAL INSTRUMENTS (Details 1) - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015
Copper Commodity Forward Contracts
Derivative [Line Items]
Derivative, Notional Amount	$ 35.8	$ 43.6
Zinc Commodity Forward Contracts
Derivative [Line Items]
Derivative, Notional Amount	8.0	8.7
Lead Commodity Forward Contracts
Derivative [Line Items]
Derivative, Notional Amount	3.4	9.3
Natural Gas Commodity Forward Contracts
Derivative [Line Items]
Derivative, Notional Amount	$ 54.4	$ 2.0