Goodwill and Other Identifiable Intangible Assets - Detail of Identifiable Intangible Assets (Detail) - USD ($) $ in Millions	Jun. 30, 2016	Dec. 31, 2015
Acquired Intangible Assets By Major Class [Line Items]
Cost	$ 3,027.1	$ 3,021.3
Accumulated amortization	(607.5)	(531.2)
Net	2,419.6	2,490.1
Finite-Lived Intangible Assets, Gross	2,334.8	2,329.8
Finite-Lived Intangible Assets, Net	1,727.3	1,798.6
Net, indefinite-life intangibles	692.3	691.5
Customer relationships
Acquired Intangible Assets By Major Class [Line Items]
Accumulated amortization	(481.6)	(415.8)
Finite-Lived Intangible Assets, Gross	2,083.3	2,078.7
Finite-Lived Intangible Assets, Net	1,601.7	1,662.9
Trade names intangibles
Acquired Intangible Assets By Major Class [Line Items]
Accumulated amortization	(1.3)	(1.2)
Finite-Lived Intangible Assets, Gross	1.8	1.8
Finite-Lived Intangible Assets, Net	0.5	0.6
Patented Technology [Member]
Acquired Intangible Assets By Major Class [Line Items]
Accumulated amortization	(124.6)	(114.2)
Finite-Lived Intangible Assets, Gross	249.7	249.3
Finite-Lived Intangible Assets, Net	$ 125.1	$ 135.1