v3.26.1
Goodwill And Intangible Assets (Summary Of Intangible Assets) (Detail) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Dec. 31, 2024
Intangible Asset, Finite-Lived, Acquired [Line Items]      
Weighted Average Amortization Period of Definite Lived Assets (in years) 16 years 2 months 12 days    
Gross Asset $ 860.2 $ 326.1  
Accumulated Amortization 207.8 176.6  
Intangible assets, net $ 652.4 149.5 $ 159.9
Intellectual property rights      
Intangible Asset, Finite-Lived, Acquired [Line Items]      
Weighted Average Amortization Period of Definite Lived Assets (in years) 12 years 8 months 12 days    
Gross Asset $ 247.3 82.0  
Accumulated Amortization 53.2 44.8  
Intangible assets, net $ 194.1 37.2  
Customer relationships and backlog      
Intangible Asset, Finite-Lived, Acquired [Line Items]      
Weighted Average Amortization Period of Definite Lived Assets (in years) 16 years 9 months 18 days    
Gross Asset $ 563.5 194.6  
Accumulated Amortization 106.6 83.8  
Intangible assets, net $ 456.9 110.8  
Drawings      
Intangible Asset, Finite-Lived, Acquired [Line Items]      
Weighted Average Amortization Period of Definite Lived Assets (in years) 40 years    
Gross Asset $ 11.1 11.1  
Accumulated Amortization 10.9 10.9  
Intangible assets, net $ 0.2 0.2  
Other      
Intangible Asset, Finite-Lived, Acquired [Line Items]      
Weighted Average Amortization Period of Definite Lived Assets (in years) 25 years 10 months 24 days    
Gross Asset $ 38.3 38.4  
Accumulated Amortization 37.1 37.1  
Intangible assets, net $ 1.2 $ 1.3