Restructuring and Transformation Program - Costs Included in Selling, General & Administrative expenses on Consolidated Statements of Income (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Restructuring Cost and Reserve [Line Items]
Restructuring costs	$ 43.5	$ 6.0	$ 56.3
Transformation costs	59.8	44.7	27.2
Total restructuring and transformation costs	103.3	50.7	83.5
Severance and related costs
Restructuring Cost and Reserve [Line Items]
Transformation costs	0.7	6.9	3.4
Asset Impairments and Write-Offs
Restructuring Cost and Reserve [Line Items]
Transformation costs	7.7	0.4	0.0
Other Transformation
Restructuring Cost and Reserve [Line Items]
Transformation costs	51.4	37.4	23.8
Severance and related costs
Restructuring Cost and Reserve [Line Items]
Restructuring costs	34.5	8.2	17.7
Asset Impairment and Write-offs
Restructuring Cost and Reserve [Line Items]
Restructuring costs	9.9	3.8	25.6
Transformation Program
Restructuring Cost and Reserve [Line Items]
Restructuring costs	$ (0.9)	$ (6.0)	$ 13.0