DERIVATIVE FINANCIAL INSTRUMENTS (Details 1) (USD $) In Millions, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2013
Copper Commodity Forward Contracts [Member]
Derivative [Line Items]
Notional amount	$ 51.9	$ 45.3	$ 49.8
Zinc Commodity Forward Contracts [Member]
Derivative [Line Items]
Notional amount	5.4	4.5	5.8
Lead Commodity Forward Contracts [Member]
Derivative [Line Items]
Notional amount	21.3	22.8	40.3
Natural Gas Commodity Forward Contracts [Member]
Derivative [Line Items]
Notional amount	$ 6.8	$ 5.5	$ 6.1