INCOME TAXES (Deferred Income Taxes) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Deferred tax assets:
Property and equipment	$ 13,359	$ 11,587
Accrued expenses	77,757	87,816
Accrued sales discounts	11,148	9,185
Stock-based compensation	36,488	33,078
Operating lease liabilities	40,549	43,662
R&D capitalization	77,601	36,915
Deferred consideration	13,762	14,030
Foreign currency exchange	2,688	11,284
Other	27,149	19,955
Deferred tax assets	300,501	267,512
Less: valuation allowance	(7,622)	(6,728)
Total deferred tax assets	292,879	260,784
Deferred tax liabilities:
Property and equipment	13,590	15,324
Intangible assets	27,914	24,523
Operating lease right-of-use assets	39,551	42,211
U.S. taxation of foreign subsidiaries	13,955	11,465
Other	8,711	7,232
Total deferred tax liabilities	103,721	100,755
Net deferred tax assets	189,158	160,029
Business Acquisitions
Deferred tax assets:
Stock-based compensation	$ 3,900	4,600
Business Acquisitions | Minimum
Deferred tax liabilities:
Amortization period of stock-based compensation for tax	10 years
Business Acquisitions | Maximum
Deferred tax liabilities:
Amortization period of stock-based compensation for tax	15 years
Other noncurrent liabilities
Deferred tax liabilities:
Deferred income tax liabilities, net	$ 8,700	$ 12,800