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Contract Liabilities and Other Disclosures (Details) - Schedule of contract related balances - USD ($)
$ in Millions
Jun. 30, 2020
Dec. 31, 2019
Dec. 31, 2018
Schedule of contract related balances [Abstract]      
Accounts Receivable $ 19.7 $ 24.5 $ 11.5
Unbilled Accounts Receivable 7.4 15.3 11.0
Deferred Income (24.0) (27.8) (32.0)
Customer Prepayments and Deposits $ (0.9) $ (1.9) $ (3.6)