Segment Information - Schedule of Operating Segment Reporting Information (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Segment Reporting Information [Line Items]
Total sales	$ 457.7	$ 390.6
Other operating expense	0.2	1.0
Operating income (loss)	62.8	30.1
Depreciation and amortization	30.7	32.2
Stock-based compensation	12.9	10.4
Accrual basis additions to capital expenditures	16.8	11.1
Intersegment Elimination
Segment Reporting Information [Line Items]
Total sales	(20.3)	(16.8)
Corporate & Other and Intersegment Elimination
Segment Reporting Information [Line Items]
Total sales	(20.3)	(16.8)
Other operating expense	0.0	0.0
Operating income (loss)	(22.4)	(23.1)
Depreciation and amortization
Stock-based compensation	9.0	7.1
Accrual basis additions to capital expenditures
Composite Materials
Segment Reporting Information [Line Items]
Total sales	378.2	313.8
Composite Materials | Intersegment Elimination
Segment Reporting Information [Line Items]
Total sales	19.3	16.5
Composite Materials | Operating Segments
Segment Reporting Information [Line Items]
Total sales	397.5	330.3
Other operating expense	0.2	0.9
Operating income (loss)	73.2	42.6
Depreciation and amortization	27.2	28.6
Stock-based compensation	3.1	2.6
Accrual basis additions to capital expenditures	13.1	10.1
Engineered Products
Segment Reporting Information [Line Items]
Total sales	79.5	76.8
Engineered Products | Intersegment Elimination
Segment Reporting Information [Line Items]
Total sales	1.0	0.3
Engineered Products | Operating Segments
Segment Reporting Information [Line Items]
Total sales	80.5	77.1
Other operating expense	0.0	0.1
Operating income (loss)	12.0	(10.6)
Depreciation and amortization	3.5	3.6
Stock-based compensation	0.8	0.7
Accrual basis additions to capital expenditures	$ 3.7	$ 1.0