SEGMENT INFORMATION (Revenues by Customer Location) (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Segment Reporting [Line Items]
Revenues	$ 1,414,767	$ 1,353,443	$ 2,814,828	$ 2,655,135
United States
Segment Reporting [Line Items]
Revenues	714,982	709,986	1,426,748	1,398,438
United Kingdom
Segment Reporting [Line Items]
Revenues	159,615	149,584	318,134	294,167
Switzerland
Segment Reporting [Line Items]
Revenues	112,256	110,071	226,549	214,921
Netherlands
Segment Reporting [Line Items]
Revenues	63,196	57,061	126,418	104,036
Germany
Segment Reporting [Line Items]
Revenues	62,378	56,406	124,435	108,098
Other locations
Segment Reporting [Line Items]
Revenues	$ 302,340	$ 270,335	$ 592,544	$ 535,475

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

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details