FAIR VALUE (Details) - Fair Value, Measurements, Recurring [Member] - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Assets:
Total assets	$ 8,829	$ 7,324
Liabilities:
Contingent consideration	850	2,100
Deferred compensation	28,272	26,524
Total liabilities	31,778	36,890
Foreign exchange contracts
Assets:
Derivative Asset	6,147	7,022
Liabilities:
Liabilities	1,072	1,233
Interest Rate Swap [Member]
Assets:
Derivative Asset	2,682	302
Liabilities:
Liabilities	1,584	7,033
Quoted Prices in Active Markets for Identical Assets or Liabilities (Level 1)
Assets:
Total assets	0	0
Liabilities:
Contingent consideration	0	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) | Interest Rate Swap [Member]
Assets:
Derivative Asset	0	0
Liabilities:
Liabilities	0	0
Significant Other Observable Inputs (Level 2)
Assets:
Total assets	8,829	7,324
Liabilities:
Contingent consideration	0	0
Deferred compensation	28,272	26,524
Total liabilities	30,928	34,790
Significant Other Observable Inputs (Level 2) | Foreign exchange contracts
Assets:
Derivative Asset	6,147	7,022
Liabilities:
Liabilities	1,072	1,233
Significant Other Observable Inputs (Level 2) | Interest Rate Swap [Member]
Assets:
Derivative Asset	2,682	302
Liabilities:
Liabilities	1,584	7,033
Significant Unobservable Inputs (Level 3)
Assets:
Total assets	0	0
Liabilities:
Contingent consideration	850	2,100
Deferred compensation	0	0
Total liabilities	850	2,100
Significant Unobservable Inputs (Level 3) | Foreign exchange contracts
Assets:
Derivative Asset	0	0
Liabilities:
Liabilities	0	0
Significant Unobservable Inputs (Level 3) | Interest Rate Swap [Member]
Assets:
Derivative Asset	0	0
Liabilities:
Liabilities	$ 0	$ 0