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, 2025	Dec. 31, 2024	Dec. 31, 2023
Restructuring Cost and Reserve [Line Items]
Restructuring costs	$ 36.7	$ 43.5	$ 6.0
Transformation costs	57.0	59.8	44.7
Total restructuring and transformation costs	93.7	103.3	50.7
Severance and related costs
Restructuring Cost and Reserve [Line Items]
Transformation costs	0.0	0.7	6.9
Asset impairment and write-offs
Restructuring Cost and Reserve [Line Items]
Transformation costs	16.2	7.7	0.4
Other transformation costs
Restructuring Cost and Reserve [Line Items]
Transformation costs	40.8	51.4	37.4
Severance and related costs
Restructuring Cost and Reserve [Line Items]
Restructuring costs	27.4	34.5	8.2
Asset Impairment and Write-offs
Restructuring Cost and Reserve [Line Items]
Restructuring costs	2.0	9.9	3.8
Other restructuring costs and related adjustments
Restructuring Cost and Reserve [Line Items]
Restructuring costs	$ 7.3	$ (0.9)	$ (6.0)