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Revenue and Contracts in Process - Schedule of Contract Assets and Contract Liabilities and Recognized Earnings (Details) - USD ($)
$ in Millions
Sep. 30, 2025
Dec. 31, 2024
Revenue from Contract with Customer [Abstract]    
Costs incurred on contracts in progress $ 1,323.5 $ 1,435.2
Estimated earnings 118.8 75.8
Contract revenue earned on uncompleted contracts 1,442.3 1,511.0
Less: progress billings 1,537.0 1,513.8
Net of cost earned on uncompleted contracts (94.7) (2.8)
Contract with Customer, Contract Asset, Contract Liability, and Receivable [Abstract]    
Contract assets 80.8 106.3
Contract liabilities (175.5) (109.1)
Net contract assets (liabilities) $ (94.7) $ (2.8)