Segments - Reconciliation of Operating Profit (Loss) from Segments to Consolidated (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Adjusted EBIT	$ 518.1	$ 427.2	$ 586.5
Interest expense, net	134.2	149.9	162.6
Debt extinguishment and refinancing related costs	0.2	34.4	0.2
Termination benefits and other employee related costs	36.9	74.9	35.2
Strategic review and retention costs	9.7	30.7	13.4
Acquisition and divestiture-related costs	16.9	0.3	4.4
Impairment charges	0.8	5.7	17.7
Pension special event	0.4	(0.4)	(0.9)
Accelerated depreciation	2.5	9.2	24.3
Indemnity (income) loss	(0.4)	0.3	(0.4)
Operational matter	4.4	0.0	0.0
Brazil indirect tax	(8.3)	0.0	0.0
Gains on sales of facilities	(19.7)	0.0	0.0
Income before income taxes	340.5	122.2	330.0
Due diligence cost	$ 1.0
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
Performance Coatings
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Adjusted EBIT	$ 479.4	344.3	449.1
Mobility Coatings
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Adjusted EBIT	$ 38.7	$ 82.9	$ 137.4