SEGMENT INFORMATION (Revenues by Customer Location) (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2026	Mar. 31, 2025
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	$ 1,400,061	$ 1,301,692
United States
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	711,766	688,452
United Kingdom
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	158,519	144,583
Switzerland
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	114,293	104,850
Netherlands
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	63,222	46,975
Germany
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	62,057	51,692
Other locations
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	$ 290,204	$ 265,140

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details