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Goodwill and Identifiable Intangible Assets - Gross Carrying Value and Accumulated Amortization by Class of Identifiable Intangible Assets (Detail) - USD ($)
$ in Millions
Jun. 30, 2015
Dec. 31, 2014
Intangible Assets [Line Items]    
Gross Carrying Amounts, Total identifiable intangibles $ 1,118.4 $ 909.2
Accumulated Amortization, Total identifiable intangibles (259.6) (252.7)
Net Book Value, Total identifiable intangibles 858.8 656.5
Gross Carrying Amounts, Indefinite-lived tradenames 538.6 542.7
Accumulated Amortization, Indefinite-lived tradenames [1] (42.0) (42.0)
Net Book Value, Indefinite-lived tradenames 496.6 500.7
Gross Carrying Amounts, Finite Lived 579.8 366.5
Accumulated Amortization, Finite Lived (217.6) (210.7)
Net Book Value, Finite Lived 362.2 155.8
Tradenames [Member]    
Intangible Assets [Line Items]    
Gross Carrying Amounts, Finite Lived 16.9 14.6
Accumulated Amortization, Finite Lived (6.7) (6.4)
Net Book Value, Finite Lived 10.2 8.2
Customer and contractual relationships [Member]    
Intangible Assets [Line Items]    
Gross Carrying Amounts, Finite Lived 505.1 294.2
Accumulated Amortization, Finite Lived (169.4) (164.0)
Net Book Value, Finite Lived 335.7 130.2
Patents/proprietary technology [Member]    
Intangible Assets [Line Items]    
Gross Carrying Amounts, Finite Lived 57.8 57.7
Accumulated Amortization, Finite Lived (41.5) (40.3)
Net Book Value, Finite Lived $ 16.3 $ 17.4
[1] Accumulated amortization prior to the adoption of revised ASC requirements for Intangibles - Goodwill and Other Assets.