Quarterly report pursuant to Section 13 or 15(d)

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

v3.19.3
GOODWILL AND INTANGIBLE ASSETS - Schedule of Purchased Intangible Assets (Details) - USD ($)
$ in Millions
Sep. 30, 2019
Dec. 31, 2018
Acquired Finite-Lived Intangible Assets [Line Items]    
Gross $ 1,806.9 $ 1,876.9
Accumulated Amortization (754.9) (777.7)
Net 1,052.0 1,099.2
Purchased data files    
Acquired Finite-Lived Intangible Assets [Line Items]    
Gross 892.7 911.4
Accumulated Amortization (334.6) (298.7)
Net 558.1 612.7
Acquired software and technology    
Acquired Finite-Lived Intangible Assets [Line Items]    
Gross 107.5 130.3
Accumulated Amortization (77.6) (84.1)
Net 29.9 46.2
Customer relationships    
Acquired Finite-Lived Intangible Assets [Line Items]    
Gross 675.2 693.1
Accumulated Amortization (307.0) (295.2)
Net 368.2 397.9
Reacquired rights    
Acquired Finite-Lived Intangible Assets [Line Items]    
Gross 0.0 73.3
Accumulated Amortization 0.0 (73.3)
Net 0.0 0.0
Proprietary database    
Acquired Finite-Lived Intangible Assets [Line Items]    
Gross 104.2 46.3
Accumulated Amortization (19.6) (12.5)
Net 84.6 33.8
Non-compete agreements    
Acquired Finite-Lived Intangible Assets [Line Items]    
Gross 7.5 3.8
Accumulated Amortization (3.3) (2.2)
Net 4.2 1.6
Trade names and other intangible assets    
Acquired Finite-Lived Intangible Assets [Line Items]    
Gross 19.8 18.7
Accumulated Amortization (12.8) (11.7)
Net $ 7.0 $ 7.0