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GOODWILL AND INTANGIBLE ASSETS - Schedule of Purchased Intangible Assets (Details) - USD ($) $ in Millions | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Intangible Asset, Acquired, Finite-Lived [Line Items] |  |
Gross | $ 3,061.3 | $ 3,021.8
Accumulated Amortization | (1,692.8) | (1,500.8)
Net | 1,368.5 | 1,521.0
Purchased data files |  |
Intangible Asset, Acquired, Finite-Lived [Line Items] |  |
Gross | 1,135.2 | 1,111.9
Accumulated Amortization | (742.7) | (669.5)
Net | 392.5 | 442.4
Customer relationships |  |
Intangible Asset, Acquired, Finite-Lived [Line Items] |  |
Gross | 959.5 | 937.7
Accumulated Amortization | (540.4) | (484.2)
Net | 419.1 | 453.5
Proprietary database |  |
Intangible Asset, Acquired, Finite-Lived [Line Items] |  |
Gross | 699.9 | 704.9
Accumulated Amortization | (265.3) | (227.6)
Net | 434.6 | 477.3
Acquired software and technology |  |
Intangible Asset, Acquired, Finite-Lived [Line Items] |  |
Gross | 215.8 | 217.6
Accumulated Amortization | (130.7) | (106.3)
Net | 85.1 | 111.3
Trade names, non-compete agreements and other intangible assets |  |
Intangible Asset, Acquired, Finite-Lived [Line Items] |  |
Gross | 50.9 | 49.7
Accumulated Amortization | (13.7) | (13.2)
Net | $ 37.2 | $ 36.5

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