DERIVATIVE FINANCIAL INSTRUMENTS (Details 1) (USD $) In Millions, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012	Sep. 30, 2012
Copper Commodity Forward Contracts [Member]
Derivative [Line Items]
Notional amount	$ 58.3	$ 53.6	$ 59.8
Zinc Commodity Forward Contracts [Member]
Derivative [Line Items]
Notional amount	5.8	6.3	5.9
Lead Commodity Forward Contracts [Member]
Derivative [Line Items]
Notional amount	28.8	48.3	49.6
Natural Gas Commodity Forward Contracts [Member]
Derivative [Line Items]
Notional amount	$ 7.4	$ 6.0	$ 8.6