INCOME TAXES (Unrecognized Tax Benefits) (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Unrecognized tax benefits at beginning of year		$ 2,537	$ 1,304	$ 3,543
Additions to current year tax positions		0	904	210
Additions to prior year tax positions	$ 5,400	0	419	0
Settlements		(217)	0	0
Statute expiration		0	0	(2,843)
Foreign currency translation		(256)	(90)	394
Unrecognized tax benefits at end of year	2,537	2,064	2,537	1,304
Unrecognizd tax benefits that would impact effective tax rate	2,500	2,100	2,500	1,300
Unrecognized tax benefits, income tax penalties and interest accrued	$ 400	400	$ 400	$ 200
Expiring of statutes of limitations
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Statute expiration		$ (500)