DERIVATIVE FINANCIAL INSTRUMENTS (Details 1) - USD ($) $ in Millions	Sep. 30, 2015	Dec. 31, 2014	Sep. 30, 2014
Copper Commodity Forward Contracts
Derivative [Line Items]
Notional amount	$ 45.7	$ 62.7	$ 56.2
Zinc Commodity Forward Contracts
Derivative [Line Items]
Notional amount	9.0	6.8	5.9
Lead Commodity Forward Contracts
Derivative [Line Items]
Notional amount	12.8	14.1	16.4
Natural Gas Commodity Forward Contracts
Derivative [Line Items]
Notional amount	$ 3.3	$ 5.7	$ 7.4