v3.25.4
Nature of Operations and Significant Accounting Policies (Summary of Intangible Assets) (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Schedule of Finite-Lived and Indefinite-Lived Intangible Assets By Major Class [Line Items]        
Weighted Average Amortization Period of Finite Lived Assets (in years) 20 years 9 months 18 days      
Gross Asset $ 326.1 $ 319.8    
Accumulated Amortization 176.6 159.9    
Net $ 149.5 159.9 $ 87.1 $ 70.7
Intellectual property rights        
Schedule of Finite-Lived and Indefinite-Lived Intangible Assets By Major Class [Line Items]        
Weighted Average Amortization Period of Finite Lived Assets (in years) 16 years 4 months 24 days      
Gross Asset $ 82.0 79.8    
Accumulated Amortization 44.8 42.4    
Net $ 37.2 37.4    
Customer relationships and backlog        
Schedule of Finite-Lived and Indefinite-Lived Intangible Assets By Major Class [Line Items]        
Weighted Average Amortization Period of Finite Lived Assets (in years) 20 years 6 months      
Gross Asset $ 194.6 191.0    
Accumulated Amortization 83.8 70.2    
Net $ 110.8 120.8    
Drawings        
Schedule of Finite-Lived and Indefinite-Lived Intangible Assets By Major Class [Line Items]        
Weighted Average Amortization Period of Finite Lived Assets (in years) 40 years      
Gross Asset $ 11.1 11.1    
Accumulated Amortization 10.9 10.8    
Net $ 0.2 0.3    
Other        
Schedule of Finite-Lived and Indefinite-Lived Intangible Assets By Major Class [Line Items]        
Weighted Average Amortization Period of Finite Lived Assets (in years) 25 years 10 months 24 days      
Gross Asset $ 38.4 37.9    
Accumulated Amortization 37.1 36.5    
Net $ 1.3 $ 1.4