Quarterly report pursuant to Section 13 or 15(d)

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

v3.2.0.727
GOODWILL AND INTANGIBLE ASSETS (Purchased Intangible Assets) (Detail) - USD ($)
$ in Millions
Jun. 30, 2015
Dec. 31, 2014
Acquired Finite-Lived Intangible Assets [Line Items]    
Gross $ 1,457.5 $ 1,475.4
Accumulated Amortization (562.0) (521.5)
Net 895.5 953.9
Purchased data files    
Acquired Finite-Lived Intangible Assets [Line Items]    
Gross 672.6 692.0
Accumulated Amortization (223.7) (218.8)
Net 448.9 473.2
Acquired software and technology    
Acquired Finite-Lived Intangible Assets [Line Items]    
Gross 54.0 53.9
Accumulated Amortization (31.5) (26.4)
Net 22.5 27.5
Customer relationships    
Acquired Finite-Lived Intangible Assets [Line Items]    
Gross 572.4 570.7
Accumulated Amortization (220.8) (204.3)
Net 351.6 366.4
Reacquired rights    
Acquired Finite-Lived Intangible Assets [Line Items]    
Gross 73.3 73.3
Accumulated Amortization (32.8) (26.3)
Net 40.5 47.0
Proprietary database    
Acquired Finite-Lived Intangible Assets [Line Items]    
Gross 7.4 7.4
Accumulated Amortization (5.6) (5.4)
Net 1.8 2.0
Non-compete agreements    
Acquired Finite-Lived Intangible Assets [Line Items]    
Gross 26.9 27.0
Accumulated Amortization (16.2) (11.8)
Net 10.7 15.2
Trade names and other intangible assets    
Acquired Finite-Lived Intangible Assets [Line Items]    
Gross 50.9 51.1
Accumulated Amortization (31.4) (28.5)
Net $ 19.5 $ 22.6