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

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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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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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Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

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Cost-reduction actions - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Restructuring Cost and Reserve [Line Items]
Cost-reduction charges and other costs	$ 20.6	$ 9.3	$ 54.9
Charges (credits) related to work-force reductions	13.5	8.3	7.5
Other charges (credits) related to the cost-reduction effort	7.1	1.0	$ 47.4
Restructuring Incurred Cost Statement Of Income Or Comprehensive Income Extensible Enumeration Not Disclosed Flag			cost-reduction charges and other costs
Employee severance
Restructuring Cost and Reserve [Line Items]
Cost-reduction charges and other costs	23.7	15.2	$ 7.1
Charges (credits) related to work-force reductions	23.7	15.2	7.1
Changes in estimates
Restructuring Cost and Reserve [Line Items]
Charges (credits) related to work-force reductions	(10.2)	(6.9)	0.4
Professional fees
Restructuring Cost and Reserve [Line Items]
Other charges (credits) related to the cost-reduction effort		4.7
Foreign currency (gains) losses related to exiting foreign countries
Restructuring Cost and Reserve [Line Items]
Other charges (credits) related to the cost-reduction effort	2.6	$ (3.7)	2.9
Asset held-for-sale
Restructuring Cost and Reserve [Line Items]
Other charges (credits) related to the cost-reduction effort			13.6
Asset impairments
Restructuring Cost and Reserve [Line Items]
Other charges (credits) related to the cost-reduction effort	4.4		10.9
Facility lease cost
Restructuring Cost and Reserve [Line Items]
Other charges (credits) related to the cost-reduction effort			11.3
Contract exit costs
Restructuring Cost and Reserve [Line Items]
Other charges (credits) related to the cost-reduction effort			9.3
Other expenses
Restructuring Cost and Reserve [Line Items]
Other charges (credits) related to the cost-reduction effort	$ 0.1		$ (0.6)