FAIR VALUE MEASUREMENTS (Financial Assets and Liabilities at Fair Value on Recurring Basis) (Details) - Recurring - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Financial Assets:
Total assets measured at fair value on a recurring basis	$ 1,067	$ 181
Financial Liabilities:
Contingent consideration	7,625	7,468
Total liabilities measured at fair value on a recurring basis	7,987	10,943
Foreign exchange contracts
Financial Assets:
Derivative assets	1,067	181
Financial Liabilities:
Derivative liabilities	362	3,475
Level 1
Financial Assets:
Total assets measured at fair value on a recurring basis	0	0
Financial Liabilities:
Contingent consideration	0	0
Total liabilities measured at fair value on a recurring basis	0	0
Level 1 | Foreign exchange contracts
Financial Assets:
Derivative assets	0	0
Financial Liabilities:
Derivative liabilities	0	0
Level 2
Financial Assets:
Total assets measured at fair value on a recurring basis	1,067	181
Financial Liabilities:
Contingent consideration	0	0
Total liabilities measured at fair value on a recurring basis	362	3,475
Level 2 | Foreign exchange contracts
Financial Assets:
Derivative assets	1,067	181
Financial Liabilities:
Derivative liabilities	362	3,475
Level 3
Financial Assets:
Total assets measured at fair value on a recurring basis	0	0
Financial Liabilities:
Contingent consideration	7,625	7,468
Total liabilities measured at fair value on a recurring basis	7,625	7,468
Level 3 | Foreign exchange contracts
Financial Assets:
Derivative assets	0	0
Financial Liabilities:
Derivative liabilities	$ 0	$ 0