Revenue - Schedule of Activity Related to Contract Assets (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023
Change in Contract with Customer Asset [Line Items]
Beginning Balance	$ 27.2	$ 28.6	$ 32.0
Net revenue billed	4.2	(1.4)	(3.4)
Ending Balance	31.4	27.2	28.6
Composite Materials
Change in Contract with Customer Asset [Line Items]
Beginning Balance	7.0	6.6	9.1
Net revenue billed	4.5	0.4	(2.5)
Ending Balance	11.5	7.0	6.6
Engineered Products
Change in Contract with Customer Asset [Line Items]
Beginning Balance	20.2	22.0	22.9
Net revenue billed	(0.3)	(1.8)	(0.9)
Ending Balance	$ 19.9	$ 20.2	$ 22.0