DERIVATIVES (Textual) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2014 Foreign exchange contracts Designated as hedging instruments	Dec. 31, 2013 Foreign exchange contracts Designated as hedging instruments	Jun. 30, 2014 Foreign exchange contracts Not designated as hedging instruments	Dec. 31, 2013 Foreign exchange contracts Not designated as hedging instruments	Jun. 30, 2014 Silver forward contract Not designated as hedging instruments ozt	Dec. 31, 2013 Silver forward contract Not designated as hedging instruments ozt	Jun. 30, 2014 Copper forward contract Not designated as hedging instruments lb	Dec. 31, 2013 Copper forward contract Not designated as hedging instruments lb
Derivative [Line Items]
Maximum period for which derivative contracts cover currency and commodity exposures	2 years
Derivative, notional amount		$ 29,344	$ 36,880	$ 218,577	$ 186,158
Notional amounts of forward contracts that are not designated as hedges						295,000	290,000	375,000	375,000
Gain (loss) expected to be reclassified from AOCI to earnings, next twelve months	$ 228
Gain (loss) expected to be reclassified from AOCI to earnings, period of recognition	12 months
Hedge ineffectiveness was immaterial	Hedge ineffectiveness was immaterial in the six months ended June 30, 2014 and 2013.