Annual report pursuant to Section 13 and 15(d)

GOODWILL AND OTHER INTANGIBLE ASSETS (Purchased Intangible Assets) (Detail)

v3.3.1.900
GOODWILL AND OTHER INTANGIBLE ASSETS (Purchased Intangible Assets) (Detail) - USD ($)
$ in Millions
Dec. 31, 2015
Dec. 31, 2014
Acquired Finite-Lived Intangible Assets [Line Items]    
Gross $ 1,439.8 $ 1,475.4
Accumulated Amortization (611.9) (521.5)
Net 827.9 953.9
Purchased data files    
Acquired Finite-Lived Intangible Assets [Line Items]    
Gross 665.9 692.0
Accumulated Amortization (240.6) (218.8)
Net 425.3 473.2
Acquired software and technology    
Acquired Finite-Lived Intangible Assets [Line Items]    
Gross 52.4 53.9
Accumulated Amortization (35.5) (26.4)
Net 16.9 27.5
Customer relationships    
Acquired Finite-Lived Intangible Assets [Line Items]    
Gross 565.9 570.7
Accumulated Amortization (239.3) (204.3)
Net 326.6 366.4
Reacquired rights    
Acquired Finite-Lived Intangible Assets [Line Items]    
Gross 73.3 73.3
Accumulated Amortization (39.4) (26.3)
Net 33.9 47.0
Proprietary database    
Acquired Finite-Lived Intangible Assets [Line Items]    
Gross 7.4 7.4
Accumulated Amortization (5.8) (5.4)
Net 1.6 2.0
Non-compete agreements    
Acquired Finite-Lived Intangible Assets [Line Items]    
Gross 25.8 27.0
Accumulated Amortization (18.3) (11.8)
Net 7.5 15.2
Trade names and other intangible assets    
Acquired Finite-Lived Intangible Assets [Line Items]    
Gross 49.1 51.1
Accumulated Amortization (33.0) (28.5)
Net $ 16.1 $ 22.6