Revenue - Schedule of Activity Related to Contract Assets (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Change in Contract with Customer Asset [Line Items]
Beginning Balance	$ 32.0	$ 30.5	$ 43.1
Net revenue billed	(6.9)	1.5	(12.6)
Ending Balance	25.1	32.0	30.5
Composite Materials
Change in Contract with Customer Asset [Line Items]
Beginning Balance	9.1	6.8	7.8
Net revenue billed	(0.8)	2.3	(1.0)
Ending Balance	8.3	9.1	6.8
Engineered Products
Change in Contract with Customer Asset [Line Items]
Beginning Balance	22.9	23.7	35.3
Net revenue billed	(6.1)	(0.8)	(11.6)
Ending Balance	$ 16.8	$ 22.9	$ 23.7