FAIR VALUE (Details) - Fair Value, Recurring [Member] - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Assets:
Total assets	$ 2,889	$ 6,649
Liabilities:
Contingent consideration		470
Deferred compensation	28,859	29,170
Total liabilities	35,068	31,788
Foreign exchange contracts
Assets:
Derivative Asset	2,108	3,685
Liabilities:
Liabilities	6,122	1,495
Net Investment Hedging [Member]
Assets:
Derivative Asset	469
Liabilities:
Liabilities		653
Interest Rate Swap [Member]
Assets:
Derivative Asset		2,964
Forward Contracts [Member]
Assets:
Derivative Asset	312
Liabilities:
Liabilities	87
Quoted Prices in Active Markets for Identical Assets or Liabilities (Level 1)
Assets:
Total assets	0	0
Liabilities:
Contingent consideration		0
Deferred compensation	0	0
Total liabilities	0	0
Quoted Prices in Active Markets for Identical Assets or Liabilities (Level 1) | Foreign exchange contracts
Assets:
Derivative Asset	0	0
Liabilities:
Liabilities	0	0
Quoted Prices in Active Markets for Identical Assets or Liabilities (Level 1) | Net Investment Hedging [Member]
Assets:
Derivative Asset	0
Liabilities:
Liabilities		0
Quoted Prices in Active Markets for Identical Assets or Liabilities (Level 1) | Interest Rate Swap [Member]
Assets:
Derivative Asset		0
Quoted Prices in Active Markets for Identical Assets or Liabilities (Level 1) | Forward Contracts [Member]
Assets:
Derivative Asset	0
Liabilities:
Liabilities	0
Significant Other Observable Inputs (Level 2)
Assets:
Total assets	2,889	6,649
Liabilities:
Contingent consideration		0
Deferred compensation	28,859	29,170
Total liabilities	35,068	31,318
Significant Other Observable Inputs (Level 2) | Foreign exchange contracts
Assets:
Derivative Asset	2,108	3,685
Liabilities:
Liabilities	6,122	1,495
Significant Other Observable Inputs (Level 2) | Net Investment Hedging [Member]
Assets:
Derivative Asset	469
Liabilities:
Liabilities		653
Significant Other Observable Inputs (Level 2) | Interest Rate Swap [Member]
Assets:
Derivative Asset		2,964
Significant Other Observable Inputs (Level 2) | Forward Contracts [Member]
Assets:
Derivative Asset	312
Liabilities:
Liabilities	87
Significant Unobservable Inputs (Level 3)
Assets:
Total assets	0	0
Liabilities:
Contingent consideration		470
Deferred compensation	0	0
Total liabilities	0	470
Significant Unobservable Inputs (Level 3) | Foreign exchange contracts
Assets:
Derivative Asset	0	0
Liabilities:
Liabilities	0	0
Significant Unobservable Inputs (Level 3) | Net Investment Hedging [Member]
Assets:
Derivative Asset	0
Liabilities:
Liabilities		0
Significant Unobservable Inputs (Level 3) | Interest Rate Swap [Member]
Assets:
Derivative Asset		$ 0
Significant Unobservable Inputs (Level 3) | Forward Contracts [Member]
Assets:
Derivative Asset	0
Liabilities:
Liabilities	$ 0