Quarterly report pursuant to Section 13 or 15(d)

Contracts in Progress - Schedule of Cost and Billings on Uncompleted Construction Contracts (Details)

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Contracts in Progress - Schedule of Cost and Billings on Uncompleted Construction Contracts (Details) - USD ($)
$ in Millions
Sep. 30, 2024
Dec. 31, 2023
Revenue from Contract with Customer [Abstract]    
Costs incurred on contracts (from inception to completion) $ 405.1 $ 324.5
Estimated earnings 244.4 208.7
Contracts in progress 649.5 533.2
Less: billings to date (586.2) (511.3)
Contract with customer, asset (liability), net $ 63.3 $ 21.9