Goodwill and Other Intangible Assets, Net - Other Intangible Assets (Detail) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	$ 131.6	$ 132.2
Accumulated amortization	(52.5)	(36.3)
Finite-live intangible asset, net	79.1	95.9
Indefinite-lived intangible assets, gross/net carrying amount	27.8	27.4
Other intangible assets	159.4	159.6
Other intangible assets, net	106.9	123.3
Customer relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	84.9	84.7
Accumulated amortization	(31.9)	(25.1)
Finite-live intangible asset, net	53.0	59.6
Proprietary technology [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	30.3	29.5
Accumulated amortization	(7.6)	(4.9)
Finite-live intangible asset, net	22.7	24.6
Patents and other [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	16.4	18.0
Accumulated amortization	(13.0)	(6.3)
Finite-live intangible asset, net	$ 3.4	$ 11.7