Strategic Transformation and Restructuring and Other Asset Charges - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Restructuring charges:
Restructuring reserve	$ 2.5		$ 4.7
Assets held for sale	0.0		15.4
Gain (loss) on disposition of property plant equipment	3.4	$ 0.0
Costs associated with leadership change and overhead restructuring	7.0	0.0
Share-based payment arrangement, recovery of expense	(1.6)
Tacoma Exit Plan
Restructuring charges:
Assets held for sale			$ 15.4
Tacoma Exit Plan | Discontinued Operations, Disposed of by Sale
Restructuring charges:
Disposal group, including discontinued operation, consideration	19.9
Gain (loss) on disposition of property plant equipment	3.4
Facility Closing | Enid Exit Plan
Restructuring charges:
Business exit costs	0.1	0.2
Facility Closing | Tacoma Exit Plan
Restructuring charges:
Business exit costs	0.0	0.8
Employee Severance
Restructuring charges:
Costs associated with leadership change and overhead restructuring	1.8
Share-based payment arrangement, recovery of expense	(0.8)
Restructuring and related cost, incurred cost	5.3
Operating Segments
Restructuring charges:
Transformation program	(7.2)	(5.3)
Gain (loss) on disposition of property plant equipment	$ 3.4	$ 0.0