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OVERVIEW AND BASIS OF PRESENTATION (NARRATIVE) (Details)	9 Months Ended
	Sep. 30, 2025 USD ($)
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Year Founded	1982
Number Of Clients	660
Number of Countries in which Entity Operates	22
Number of employees	52,000
Number of Reportable Segments	2
Percepta LLC
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
ownership percentage	55.00%

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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Reference 1: http://www.xbrl.org/2003/role/exampleRef
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Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
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