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Segment Information - Schedule of Goodwill and Intangible Assets by Segment (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2025
Dec. 31, 2024
Changes in the carrying amount of gross goodwill and other purchased intangibles    
Goodwill and other intangible assets, net $ 240.2 $ 237.0
Balance at Period Beginning 237.0  
Amortization expense (1.4)  
Currency translation adjustments 4.6  
Intangible Assets, Net (Including Goodwill), Total 240.2 $ 237.0
Balance at Period Ending 240.2  
Composite Materials    
Changes in the carrying amount of gross goodwill and other purchased intangibles    
Balance at Period Beginning 83.1  
Amortization expense (0.4)  
Currency translation adjustments 4.6  
Balance at Period Ending 87.3  
Engineered Products    
Changes in the carrying amount of gross goodwill and other purchased intangibles    
Balance at Period Beginning 153.9  
Amortization expense (1.0)  
Currency translation adjustments 0.0  
Balance at Period Ending $ 152.9