v3.25.4
Acquisitions (Details)
$ in Thousands, $ in Millions
 3 Months Ended
May 20, 2025
USD ($)
May 20, 2025
CAD ($)
Jan. 03, 2025
USD ($)
Dec. 31, 2025
USD ($)
employee
site
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Business Combination [Line Items]            
Goodwill       $ 500,860 $ 287,362 $ 297,020
Aerojet Ordnance Tennessee, Inc.            
Business Combination [Line Items]            
Purchase of business     $ 101,100      
Purchase price reduction, amount     2,200      
Goodwill     75,000      
Intangible assets     27,000      
Property, plant, and equipment     $ 12,700      
Increase (decrease) in goodwill       15,000    
Kinectrics Holdings, Inc.            
Business Combination [Line Items]            
Purchase of business $ 440,600          
Goodwill 130,100          
Property, plant, and equipment 175,000          
Increase (decrease) in goodwill       $ (18,200)    
Number of employees (over) | employee       1,300    
Number of sites | site       20    
Business combination, price of acquisition, expected   $ 782.7        
Business combination, consideration transferred, net of pension plan liabilities and indebtedness   $ 614.5        
Intangible assets 151,300          
Investments in unconsolidated affiliates 39,500          
Net working capital 25,400          
Pension liabilities and other postretirement obligations $ 90,300