Strategic Transformation and Restructuring, Impairment and Other Asset Charges, net - Restructuring and the Net Gain on Sale of Property and Equipment (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Restructuring charges:
Costs associated with leadership change and overhead restructuring	$ 0.0	$ 0.0	$ 7.3	$ 0.0
Total restructuring related charges	0.1	0.1	7.6	1.5
Other impairment charges	0.0	0.4	0.8	3.4
Total asset impairment charges	0.0	0.4	0.8	3.4
Loss (gain) on sale of property and equipment, net
Loss (gain) on sale of property and equipment, net	0.4	(0.4)	(3.1)	(0.4)
Total loss (gain) on sale of property and equipment, net	0.4	(0.4)	(3.1)	(0.4)
Restructuring, impairment and other asset charges, net	0.5	0.1	5.3	4.5
Facility Closing | Enid Exit Plan
Restructuring charges:
Business exit costs	0.1	0.1	0.3	0.7
Total asset impairment charges		0.4
Facility Closing | Tacoma Exit Plan
Restructuring charges:
Business exit costs	$ 0.0	$ 0.0	$ 0.0	$ 0.8