Goodwill and Other Intangible Assets - Components of Other Intangible Assets (Detail) - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014
Schedule Of Other Intangible Assets [Line Items]
Gross Carrying Amount, amortizable intangible assets	$ 1,108.5	$ 1,038.5
Accumulated Amortization, amortizable intangible assets	(702.6)	(641.6)
Net Book Value, amortizable intangible assets	405.9	396.9
Gross Carrying Amount, total other intangible assets	1,140.6	1,065.3
Net Book Value, total other intangible assets	438.0	423.7
Trade names (indefinite-lived)
Schedule Of Other Intangible Assets [Line Items]
Net Book Value, indefinite-lived trade names	32.1	26.8
Customer Relationships
Schedule Of Other Intangible Assets [Line Items]
Gross Carrying Amount, amortizable intangible assets	932.1	865.6
Accumulated Amortization, amortizable intangible assets	(555.3)	(498.0)
Net Book Value, amortizable intangible assets	376.8	367.6
Patents
Schedule Of Other Intangible Assets [Line Items]
Gross Carrying Amount, amortizable intangible assets	98.3	98.3
Accumulated Amortization, amortizable intangible assets	(98.3)	(98.3)
Trademarks, Licenses and Agreements
Schedule Of Other Intangible Assets [Line Items]
Gross Carrying Amount, amortizable intangible assets	30.6	31.5
Accumulated Amortization, amortizable intangible assets	(29.9)	(29.7)
Net Book Value, amortizable intangible assets	0.7	1.8
Trade names (indefinite-lived)
Schedule Of Other Intangible Assets [Line Items]
Gross Carrying Amount, amortizable intangible assets	47.5	43.1
Accumulated Amortization, amortizable intangible assets	(19.1)	(15.6)
Net Book Value, amortizable intangible assets	$ 28.4	$ 27.5