Goodwill and Other Intangible Assets - Components of Other Intangible Assets (Detail) - USD ($) $ in Millions	Mar. 31, 2016	Dec. 31, 2015
Schedule Of Other Intangible Assets [Line Items]
Gross Carrying Amount, amortizable intangible assets	$ 1,013.9	$ 1,108.5
Accumulated Amortization, amortizable intangible assets	(625.6)	(702.6)
Net Book Value, amortizable intangible assets	388.3	405.9
Gross Carrying Amount, total other intangible assets	1,046.0	1,140.6
Net Book Value, total other intangible assets	420.4	438.0
Trade Names (Indefinite-lived)
Schedule Of Other Intangible Assets [Line Items]
Net Book Value, indefinite-lived trade names	32.1	32.1
Customer Relationships
Schedule Of Other Intangible Assets [Line Items]
Gross Carrying Amount, amortizable intangible assets	933.7	932.1
Accumulated Amortization, amortizable intangible assets	(573.5)	(555.3)
Net Book Value, amortizable intangible assets	360.2	376.8
Patents
Schedule Of Other Intangible Assets [Line Items]
Gross Carrying Amount, amortizable intangible assets	2.0	98.3
Accumulated Amortization, amortizable intangible assets	(2.0)	(98.3)
Trademarks, Licenses and Agreements
Schedule Of Other Intangible Assets [Line Items]
Gross Carrying Amount, amortizable intangible assets	30.7	30.6
Accumulated Amortization, amortizable intangible assets	(30.1)	(29.9)
Net Book Value, amortizable intangible assets	0.6	0.7
Trade Names (Indefinite-lived)
Schedule Of Other Intangible Assets [Line Items]
Gross Carrying Amount, amortizable intangible assets	47.5	47.5
Accumulated Amortization, amortizable intangible assets	(20.0)	(19.1)
Net Book Value, amortizable intangible assets	$ 27.5	$ 28.4