FAIR VALUE (Summary of Fair Value Assets and Liabilities) (Details) - Recurring basis - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Assets:
Total assets	$ 13,158	$ 8,725
Liabilities:
Deferred compensation	41,227	41,539
Total liabilities	46,132	50,456
Foreign exchange contracts
Assets:
Assets	2,456	3,849
Liabilities:
Liabilities	3,011	4,609
Forward Contracts [Member]
Assets:
Assets	9,185
Interest Rate Swap [Member]
Assets:
Assets		4,876
Net Investment Hedging [Member]
Assets:
Assets	1,517
Liabilities:
Liabilities	1,894	4,308
Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets:
Total assets	0	0
Liabilities:
Deferred compensation	0	0
Total liabilities	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Foreign exchange contracts
Assets:
Assets	0	0
Liabilities:
Liabilities	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Forward Contracts [Member]
Assets:
Assets	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Interest Rate Swap [Member]
Assets:
Assets		0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Net Investment Hedging [Member]
Assets:
Assets	0
Liabilities:
Liabilities	0	0
Significant Other Observable Inputs (Level 2)
Assets:
Total assets	13,158	8,725
Liabilities:
Deferred compensation	41,227	41,539
Total liabilities	46,132	50,456
Significant Other Observable Inputs (Level 2) | Foreign exchange contracts
Assets:
Assets	2,456	3,849
Liabilities:
Liabilities	3,011	4,609
Significant Other Observable Inputs (Level 2) | Forward Contracts [Member]
Assets:
Assets	9,185
Significant Other Observable Inputs (Level 2) | Interest Rate Swap [Member]
Assets:
Assets		4,876
Significant Other Observable Inputs (Level 2) | Net Investment Hedging [Member]
Assets:
Assets	1,517
Liabilities:
Liabilities	1,894	4,308
Significant Unobservable Inputs (Level 3)
Assets:
Total assets	0	0
Liabilities:
Deferred compensation	0	0
Total liabilities	0	0
Significant Unobservable Inputs (Level 3) | Foreign exchange contracts
Assets:
Assets	0	0
Liabilities:
Liabilities	0	0
Significant Unobservable Inputs (Level 3) | Forward Contracts [Member]
Assets:
Assets	0
Significant Unobservable Inputs (Level 3) | Interest Rate Swap [Member]
Assets:
Assets		0
Significant Unobservable Inputs (Level 3) | Net Investment Hedging [Member]
Assets:
Assets	0
Liabilities:
Liabilities	$ 0	$ 0