DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Details) (USD $)	Sep. 30, 2013	Dec. 31, 2012
DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES
Aggregate amount of forward exchange contracts, outstanding	$ 160,000,000
Fair Value of Derivative Instruments
Derivative Assets	3,561,000	1,314,000
Derivative Liabilities	1,001,000	2,261,000
Derivative Contracts Not Designated as Hedging Instruments
Fair Value of Derivative Instruments
Derivative Assets	3,561,000	1,314,000
Derivative Liabilities	1,001,000	2,261,000
Derivative Contracts Not Designated as Hedging Instruments | Foreign Exchange Contracts | Prepaid and other
Fair Value of Derivative Instruments
Derivative Assets	3,530,000	332,000
Derivative Contracts Not Designated as Hedging Instruments | Foreign Exchange Contracts | Miscellaneous Other Assets
Fair Value of Derivative Instruments
Derivative Assets	31,000	982,000
Derivative Contracts Not Designated as Hedging Instruments | Foreign Exchange Contracts | Accounts payable and accrued liabilities
Fair Value of Derivative Instruments
Derivative Liabilities	838,000	2,097,000
Derivative Contracts Not Designated as Hedging Instruments | Foreign Exchange Contracts | Deferred and other non-current liabilities
Fair Value of Derivative Instruments
Derivative Liabilities	$ 163,000	$ 164,000