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Goodwill and Identifiable Intangible Assets - Summarize of Identifiable Intangible Assets with Definite and Indefinite Useful Lives (Detail) (USD $) In Millions, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Definite And Indefinite Lived Intangible Assets By Major Class [Line Items]
Gross Carrying Value	$ 2,130.3	$ 2,148.5
Accumulated Amortization	(236.7)	(207.5)
Accumulated Impairment	(801.3)	(801.3)
Net Carrying Value	1,092.3	1,139.7
Customer relationships [Member]
Definite And Indefinite Lived Intangible Assets By Major Class [Line Items]
Gross Carrying Value	962.8	978.1
Accumulated Amortization	(129.5)	(112.7)
Accumulated Impairment	(148.9)	(148.9)
Net Carrying Value	684.4	716.5
Trademarks and trade names [Member]
Definite And Indefinite Lived Intangible Assets By Major Class [Line Items]
Gross Carrying Value	881.9	882.3
Accumulated Amortization	(0.5)	(0.9)
Accumulated Impairment	(630.2)	(630.2)
Net Carrying Value	251.2	251.2
Technology [Member]
Definite And Indefinite Lived Intangible Assets By Major Class [Line Items]
Gross Carrying Value	241.9	243.5
Accumulated Amortization	(90.1)	(79.1)
Accumulated Impairment	(22.2)	(22.2)
Net Carrying Value	129.6	142.2
Contracts [Member]
Definite And Indefinite Lived Intangible Assets By Major Class [Line Items]
Gross Carrying Value	43.7	44.6
Accumulated Amortization	(16.6)	(14.8)
Net Carrying Value	$ 27.1	$ 29.8