ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2016 USD ($)
Accumulated other comprehensive loss, net of taxes
Balance at the beginning	$ 256,135
Balance at the end	261,665
Accumulated Other Comprehensive Loss
Accumulated other comprehensive loss, net of taxes
Balance at the beginning	(17,066)
Other comprehensive income (loss) before reclassifications, net of tax	823
Amounts reclassified out of AOCI, net of tax (1)	536
Other comprehensive income (loss)	1,359
Balance at the end	(15,707)
Foreign Currency Translation Adjustments
Accumulated other comprehensive loss, net of taxes
Balance at the beginning	(14,028)
Other comprehensive income (loss) before reclassifications, net of tax	3,253
Other comprehensive income (loss)	3,253
Balance at the end	(10,775)
Unrealized Loss on Interest Rate Hedge
Accumulated other comprehensive loss, net of taxes
Balance at the beginning	(3,038)
Other comprehensive income (loss) before reclassifications, net of tax	(2,430)
Amounts reclassified out of AOCI, net of tax (1)	536
Other comprehensive income (loss)	(1,894)
Balance at the end	$ (4,932)