Restructuring and Transformation Program - Costs Included in Selling, General & Administrative Expenses (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Restructuring Cost and Reserve [Line Items]
Restructuring costs	$ 34.6	$ 15.5	$ 48.3	$ 25.2
Transformation costs	17.5	22.8	29.0	37.1
Total restructuring and transformation costs	52.1	38.3	77.3	62.3
Asset impairment and write-offs
Restructuring Cost and Reserve [Line Items]
Transformation costs	0.0	10.3	0.0	15.5
Other transformation costs
Restructuring Cost and Reserve [Line Items]
Transformation costs	17.5	12.5	29.0	21.6
Severance and related costs
Restructuring Cost and Reserve [Line Items]
Restructuring costs	32.9	12.0	46.1	20.3
Other restructuring costs and related adjustments
Restructuring Cost and Reserve [Line Items]
Restructuring costs	$ 1.7	$ 3.5	$ 2.2	$ 4.9

- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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