Segments - Reconciliation of Operating Profit (Loss) from Segments to Consolidated (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Adjusted EBIT	$ 95.1	$ 156.4
Interest expense, net	32.6	33.5
Termination benefits and other employee related costs	2.4	2.8
Strategic review and retention costs	0.0	5.4
Acquisition and divestiture-related costs	0.4	0.2
Impairment (benefits) charges	0.3	0.0
Accelerated depreciation and site closure costs	1.3	0.6
Indemnity loss	0.3	0.0
Operational matter	0.1	94.4
Russia sanction-related impacts	5.8	0.0
Income before income taxes	51.9	19.5
Performance Coatings
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Adjusted EBIT	94.6	117.2
Mobility Coatings
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Adjusted EBIT	$ 0.5	$ 39.2
Minimum
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Retention payment terms	18 months
Maximum
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Retention payment terms	24 months

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Employee termination and other related costs.

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Expenses Related To Russian Sanctions

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Indemnity (Gains) Losses

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Strategic review and retention costs

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The amount of loss pertaining to the specified contingency that was charged against earnings in the period, including the effects of revisions in previously reported estimates.

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