DERIVATIVES (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2012 Other Current Assets	Dec. 31, 2011 Other Current Assets	Jun. 30, 2012 Other Current Liabilities	Dec. 31, 2011 Other Current Liabilities	Jun. 30, 2012 Designated as hedging instruments Foreign exchange contracts	Dec. 31, 2011 Designated as hedging instruments Foreign exchange contracts	Jun. 30, 2012 Designated as hedging instruments Foreign exchange contracts Other Current Assets	Dec. 31, 2011 Designated as hedging instruments Foreign exchange contracts Other Current Assets	Jun. 30, 2012 Designated as hedging instruments Foreign exchange contracts Other Current Liabilities	Dec. 31, 2011 Designated as hedging instruments Foreign exchange contracts Other Current Liabilities	Jun. 30, 2012 Not designated as hedging instruments Foreign exchange contracts	Dec. 31, 2011 Not designated as hedging instruments Foreign exchange contracts	Jun. 30, 2012 Not designated as hedging instruments Foreign exchange contracts Other Current Assets	Dec. 31, 2011 Not designated as hedging instruments Foreign exchange contracts Other Current Assets	Jun. 30, 2012 Not designated as hedging instruments Foreign exchange contracts Other Current Liabilities	Dec. 31, 2011 Not designated as hedging instruments Foreign exchange contracts Other Current Liabilities	Jun. 30, 2012 Not designated as hedging instruments Commodity contracts Other Current Assets	Dec. 31, 2011 Not designated as hedging instruments Commodity contracts Other Current Assets	Jun. 30, 2012 Not designated as hedging instruments Commodity contracts Other Current Liabilities	Jun. 30, 2012 Not designated as hedging instruments Silver forward contract ozt	Dec. 31, 2011 Not designated as hedging instruments Silver forward contract ozt	Jun. 30, 2012 Not designated as hedging instruments Copper forward contract lb
DERIVATIVES
Maximum period for which derivative contracts cover currency and commodity exposures	2 years
Hedge ineffectiveness was immaterial	Hedge ineffectiveness was immaterial in the six months ended June 30, 2012 and 2011.
Fair values of derivative instruments
Notional amount of foreign currency forward contracts designated as cash flow hedges						$ 58,189	$ 65,721
Notional amount of foreign exchange forward contracts that are not designated as hedges												163,270	161,026
Notional amounts of forward contracts that are not designated as hedges																					285,000	340,000	375,000
Fair value of derivative assets		2,869	3,086					618	801					2,029	726			222	1,559
Fair value of derivative liabilities				$ 1,558	$ 1,557					$ 441	$ 531					$ 1,061	$ 1,026			$ 56