Quarterly report pursuant to Section 13 or 15(d)

Contracts in Progress - Schedule of Cost and Billings on Uncompleted Construction Type Long Term Contracts or Programs (Details)

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Contracts in Progress - Schedule of Cost and Billings on Uncompleted Construction Type Long Term Contracts or Programs (Details) - USD ($)
$ in Millions
Mar. 31, 2022
Dec. 31, 2021
Revenue from Contract with Customer [Abstract]    
Costs incurred on contracts (from inception to completion) $ 193.4 $ 199.4
Estimated earnings 122.5 125.5
Contracts in progress 315.9 324.9
Less: billings to date (267.3) (281.8)
Costs in excess of billings uncompleted construction type contracts $ 48.6 $ 43.1