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Amount of liability recognized arising from contingent consideration in a business combination.

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FAIR VALUE MEASUREMENTS (Assets and Liabilities at Fair Value on a Recurring Basis) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Liabilities, Fair Value Disclosure [Abstract]
Contingent consideration	$ 3,876	$ 8,390	$ 0
Recurring
Assets, Fair Value Disclosure [Abstract]
Total assets measured at fair value on a recurring basis	1,910	181
Liabilities, Fair Value Disclosure [Abstract]
Contingent consideration	10,495	7,468
Total financial liabilities measured at fair value on a recurring basis	10,738	10,943
Recurring \| Foreign Exchange Forward Contract
Assets, Fair Value Disclosure [Abstract]
Foreign exchange derivative assets	1,910	181
Liabilities, Fair Value Disclosure [Abstract]
Foreign exchange derivative liabilities	243	3,475
Recurring \| Level 1
Assets, Fair Value Disclosure [Abstract]
Total assets measured at fair value on a recurring basis	0	0
Liabilities, Fair Value Disclosure [Abstract]
Contingent consideration	0	0
Total financial liabilities measured at fair value on a recurring basis	0	0
Recurring \| Level 1 \| Foreign Exchange Forward Contract
Assets, Fair Value Disclosure [Abstract]
Foreign exchange derivative assets	0	0
Liabilities, Fair Value Disclosure [Abstract]
Foreign exchange derivative liabilities	0	0
Recurring \| Level 2
Assets, Fair Value Disclosure [Abstract]
Total assets measured at fair value on a recurring basis	1,910	181
Liabilities, Fair Value Disclosure [Abstract]
Contingent consideration	0	0
Total financial liabilities measured at fair value on a recurring basis	243	3,475
Recurring \| Level 2 \| Foreign Exchange Forward Contract
Assets, Fair Value Disclosure [Abstract]
Foreign exchange derivative assets	1,910	181
Liabilities, Fair Value Disclosure [Abstract]
Foreign exchange derivative liabilities	243	3,475
Recurring \| Level 3
Assets, Fair Value Disclosure [Abstract]
Total assets measured at fair value on a recurring basis	0	0
Liabilities, Fair Value Disclosure [Abstract]
Contingent consideration	10,495	7,468
Total financial liabilities measured at fair value on a recurring basis	10,495	7,468
Recurring \| Level 3 \| Foreign Exchange Forward Contract
Assets, Fair Value Disclosure [Abstract]
Foreign exchange derivative assets	0	0
Liabilities, Fair Value Disclosure [Abstract]
Foreign exchange derivative liabilities	$ 0	$ 0