Quarterly report pursuant to Section 13 or 15(d)

GOODWILL AND INTANGIBLE ASSETS - Schedule of Purchased Intangible Assets (Details)

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GOODWILL AND INTANGIBLE ASSETS - Schedule of Purchased Intangible Assets (Details) - USD ($)
$ in Millions
Mar. 31, 2023
Dec. 31, 2022
Acquired Finite-Lived Intangible Assets [Line Items]    
Gross $ 2,931.6 $ 2,937.1
Accumulated Amortization (1,171.7) (1,118.6)
Net 1,759.9 1,818.5
Purchased data files    
Acquired Finite-Lived Intangible Assets [Line Items]    
Gross 1,089.5 1,090.0
Accumulated Amortization (545.6) (527.8)
Net 543.9 562.2
Customer relationships    
Acquired Finite-Lived Intangible Assets [Line Items]    
Gross 876.0 874.6
Accumulated Amortization (424.1) (407.4)
Net 451.9 467.2
Proprietary database    
Acquired Finite-Lived Intangible Assets [Line Items]    
Gross 706.2 705.9
Accumulated Amortization (129.2) (115.0)
Net 577.0 590.9
Acquired software and technology    
Acquired Finite-Lived Intangible Assets [Line Items]    
Gross 223.1 225.4
Accumulated Amortization (48.9) (42.6)
Net 174.2 182.8
Trade names and other intangible assets    
Acquired Finite-Lived Intangible Assets [Line Items]    
Gross 22.1 26.7
Accumulated Amortization (17.0) (19.6)
Net 5.1 7.1
Non-compete agreements    
Acquired Finite-Lived Intangible Assets [Line Items]    
Gross 14.7 14.5
Accumulated Amortization (6.9) (6.2)
Net $ 7.8 $ 8.3