COMPREHENSIVE INCOME (LOSS) - Schedule of Comprehensive Loss Income (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Equity [Abstract]
Net income	$ 12,755	$ 4,998	$ 26,173	$ 13,382
Foreign currency translation adjustment	(6,569)	7,166	4,675	(17,227)
Change in unrealized (loss) gain on derivatives, net of tax	(345)	209	(345)	420
Pension liability adjustment, net of tax	3	(48)	(4)	7
Comprehensive income (loss)	$ 5,844	$ 12,325	$ 30,499	$ (3,418)