Accumulated Other Comprehensive (Loss) Income - Reclassifications Out of Accumulated Other Comprehensive (Loss) Income (Detail) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cost of products sold	$ 969.6	$ 904.9	$ 1,838.7	$ 1,719.9
Tax (expense) benefit	(41.5)	(44.9)	(70.1)	(77.3)
Income from continuing operations, net of tax	137.1	129.7	221.6	$ 204.8
Reclassification out of Accumulated Other Comprehensive Income (Loss) [Member] \| Derivative Hedging Losses (Gains) [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	1.6	0.5	3.0
Tax (expense) benefit	(0.2)	(0.2)	(0.5)
Income from continuing operations, net of tax	1.4	0.3	2.5
Reclassification out of Accumulated Other Comprehensive Income (Loss) [Member] \| Derivative Hedging Losses (Gains) [Member] \| Foreign exchange contracts [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cost of products sold	1.6	0.6	2.8
Reclassification out of Accumulated Other Comprehensive Income (Loss) [Member] \| Derivative Hedging Losses (Gains) [Member] \| Interest rate contracts [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Other income, net	0.1		$ 0.2
Reclassification out of Accumulated Other Comprehensive Income (Loss) [Member] \| Derivative Hedging Losses (Gains) [Member] \| Commodity contracts [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cost of products sold	$ (0.1)	$ (0.1)

The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

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Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments.

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