INCOME TAXES (Effective Income Tax Rate Reconciliation) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Tax Disclosure [Abstract]
Federal rate	$ 7,609	$ 9,770	$ 11,725
State taxes, net of federal benefit	(655)	1,358	518
Foreign taxes	(2,296)	(597)	(454)
Foreign tax credit	(1,221)	(293)	(8,236)
Change in valuation allowance	1,454	(639)	0
R&D credit	(1,095)	(1,602)	(454)
Non-deductible employee compensation	285	108	249
Acquisition-related costs	963	914	0
Other, net	69	118	478
Uncertain tax positions	(817)	(75)	1,619
Income tax expense	$ 4,296us-gaap_IncomeTaxExpenseBenefit	$ 9,062us-gaap_IncomeTaxExpenseBenefit	$ 5,445us-gaap_IncomeTaxExpenseBenefit

Effective Income Tax Rate Reconciliation, Acquisition Related Costs

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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