Revenue - Schedule of Activity Related to Contract Assets (Details) - USD ($) $ in Millions |
3 Months Ended | ||
|---|---|---|---|
Sep. 30, 2025 |
Jun. 30, 2025 |
Mar. 31, 2025 |
|
| Change in Contract with Customer Asset [Line Items] | |||
| Beginning Balance | $ 40.7 | $ 35.7 | $ 29.8 |
| Net revenue billed | (1.8) | 5.0 | 5.9 |
| Ending Balance | 38.9 | 40.7 | 35.7 |
| Composite Materials | |||
| Change in Contract with Customer Asset [Line Items] | |||
| Beginning Balance | 11.2 | 9.5 | 9.1 |
| Net revenue billed | 1.8 | 1.7 | 0.4 |
| Ending Balance | 13.0 | 11.2 | 9.5 |
| Engineered Products | |||
| Change in Contract with Customer Asset [Line Items] | |||
| Beginning Balance | 29.5 | 26.2 | 20.7 |
| Net revenue billed | (3.6) | 3.3 | 5.5 |
| Ending Balance | $ 25.9 | $ 29.5 | $ 26.2 |