Accumulated Other Comprehensive Income (Loss) - Reclassifications Out of Accumulated Other Comprehensive Income (Loss) (Detail) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cost of products sold		$ 4,909.1	$ 3,925.9	$ 3,712.2
Interest expense		84.4	83.9	94.2
Income(Loss)From Continuing Operations Before Income Taxes ,Noncontrolling interest		1,005.1	730.8	575.3
Recognition of actuarial losses		(0.8)	(3.2)	(34.1)
Tax (expense) benefit		(232.7)	(168.8)	(144.0)
Income after tax		772.4	562.0	$ 431.3
Reclassification out of Accumulated Other Comprehensive Income (Loss) [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income after tax		1.8	(5.2)
Reclassification out of Accumulated Other Comprehensive Income (Loss) [Member] | Derivative Hedging Gain (Loss) [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income(Loss)From Continuing Operations Before Income Taxes ,Noncontrolling interest		2.2	(2.4)
Tax (expense) benefit		0.2
Income after tax		2.4	(2.4)
Reclassification out of Accumulated Other Comprehensive Income (Loss) [Member] | Derivative Hedging Gain (Loss) [Member] | Foreign exchange contracts [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cost of products sold		0.3	(3.0)
Reclassification out of Accumulated Other Comprehensive Income (Loss) [Member] | Derivative Hedging Gain (Loss) [Member] | Interest rate contracts [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest expense		0.6	0.6
Reclassification out of Accumulated Other Comprehensive Income (Loss) [Member] | Derivative Hedging Gain (Loss) [Member] | Commodity Contracts [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cost of products sold		1.3
Reclassification out of Accumulated Other Comprehensive Income (Loss) [Member] | Defined Benefit Plan Adjustments [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Recognition of actuarial losses	[1]	(0.8)	(3.2)
Tax (expense) benefit		0.2	0.4
Income after tax		$ (0.6)	$ (2.8)

[1] These accumulated other comprehensive (loss) income components are included in the computation of net periodic benefit cost. Refer to Note 14, “Defined Benefit Plans,” for additional information.