FAIR VALUE MEASUREMENTS (Financial Assets and Liabilities at Fair Value on Recurring Basis) (Details) - Recurring - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Financial Assets:
Total assets measured at fair value on a recurring basis	$ 3,049	$ 4,955
Financial Liabilities:
Contingent consideration	29,167	7,470
Total liabilities measured at fair value on a recurring basis	30,142	7,713
Foreign exchange contracts
Financial Assets:
Foreign exchange derivative assets	3,049	4,955
Financial Liabilities:
Foreign exchange derivative liabilities	975	243
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:
Foreign exchange derivative assets	0	0
Financial Liabilities:
Foreign exchange derivative liabilities	0	0
Level 2
Financial Assets:
Total assets measured at fair value on a recurring basis	3,049	4,955
Financial Liabilities:
Contingent consideration	0	0
Total liabilities measured at fair value on a recurring basis	975	243
Level 2 | Foreign exchange contracts
Financial Assets:
Foreign exchange derivative assets	3,049	4,955
Financial Liabilities:
Foreign exchange derivative liabilities	975	243
Level 3
Financial Assets:
Total assets measured at fair value on a recurring basis	0	0
Financial Liabilities:
Contingent consideration	29,167	7,470
Total liabilities measured at fair value on a recurring basis	29,167	7,470
Level 3 | Foreign exchange contracts
Financial Assets:
Foreign exchange derivative assets	0	0
Financial Liabilities:
Foreign exchange derivative liabilities	$ 0	$ 0