Cost-Reduction Actions - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Restructuring Cost and Reserve [Line Items]
Cost-reduction charges and other costs	$ 5.1	$ 7.9	$ 13.6	$ 35.4
Charges (credits) related to work-force reductions	(0.3)	(3.0)	(1.9)	5.5
Other charges related to the cost-reduction effort	5.4		15.5	18.4
Employee severance
Restructuring Cost and Reserve [Line Items]
Cost-reduction charges and other costs			5.8
Charges (credits) related to work-force reductions	2.9	1.6	5.8	11.3
Changes in estimates
Restructuring Cost and Reserve [Line Items]
Charges (credits) related to work-force reductions	(3.2)	(4.6)	(7.7)	(5.8)
Foreign currency losses related to exiting foreign countries
Restructuring Cost and Reserve [Line Items]
Other charges related to the cost-reduction effort	(0.7)	(0.6)	1.6
Asset impairments
Restructuring Cost and Reserve [Line Items]
Other charges related to the cost-reduction effort	4.4	$ 11.5	6.8	$ 11.5
Other expenses
Restructuring Cost and Reserve [Line Items]
Other charges related to the cost-reduction effort	$ 1.7		$ 7.1

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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