Cost-Reduction Actions - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Restructuring Cost and Reserve [Line Items]
Cost-reduction charges and other costs	$ 0.8	$ 13.2	$ 14.4	$ 48.6
Charges (credits) related to work-force reductions	(0.6)	0.7	(2.5)	6.2
Other charges related to the cost-reduction effort	1.4		16.9	17.8
Employee severance
Restructuring Cost and Reserve [Line Items]
Cost-reduction charges and other costs			6.5
Charges (credits) related to work-force reductions	(0.7)	2.7	6.5	14.0
Changes in estimates
Restructuring Cost and Reserve [Line Items]
Charges (credits) related to work-force reductions	1.3	(2.0)	(9.0)	(7.8)
Foreign currency losses related to exiting foreign countries
Restructuring Cost and Reserve [Line Items]
Other charges related to the cost-reduction effort	1.3	(0.6)	2.9
Asset impairments
Restructuring Cost and Reserve [Line Items]
Other charges related to the cost-reduction effort	0.5	7.5	7.3	19.0
Other expenses
Restructuring Cost and Reserve [Line Items]
Other charges related to the cost-reduction effort	$ (0.4)	$ 5.6	$ 6.7	$ 5.6

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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