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Gross Carrying Value and Accumulated Amortization by Class of Intangible Assets (Detail) (USD $)
In Millions, unless otherwise specified
Sep. 30, 2014
Dec. 31, 2013
Intangible Assets [Line Items]    
Gross Carrying Amounts, Total identifiable intangibles $ 918.8 $ 873.4
Accumulated Amortization, Total identifiable intangibles (252.9) (243.4)
Net Book Value, Total identifiable intangibles 665.9 630.0
Gross Carrying Amounts, Indefinite-lived tradenames 547.2 538.8
Accumulated Amortization, Indefinite-lived tradenames (42.0) [1] (42.0) [1]
Net Book Value, Indefinite-lived tradenames 505.2 496.8
Gross Carrying Amounts, Finite Lived 371.6 334.6
Accumulated Amortization, Finite Lived (210.9) (201.4)
Net Book Value, Finite Lived 160.7 133.2
Tradenames
    
Intangible Assets [Line Items]    
Gross Carrying Amounts, Finite Lived 17.0 17.2
Accumulated Amortization, Finite Lived (7.7) (7.2)
Net Book Value, Finite Lived 9.3 10.0
Customer and contractual relationships
    
Intangible Assets [Line Items]    
Gross Carrying Amounts, Finite Lived 296.4 260.2
Accumulated Amortization, Finite Lived (163.1) (156.5)
Net Book Value, Finite Lived 133.3 103.7
Patents/proprietary technology
    
Intangible Assets [Line Items]    
Gross Carrying Amounts, Finite Lived 58.2 57.2
Accumulated Amortization, Finite Lived (40.1) (37.7)
Net Book Value, Finite Lived $ 18.1 $ 19.5
[1] Accumulated amortization prior to the adoption of revised ASC requirements for Intangibles - Goodwill and Other Assets.