XML 97 R82.htm IDEA: XBRL DOCUMENT v3.21.1
Contract Liabilities and Other Disclosures (Details) - Schedule of contract related balances (other than deferred income disclosed above) - USD ($)
$ in Millions
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Schedule of contract related balances (other than deferred income disclosed above) [Abstract]      
Accounts Receivable $ 30.4 $ 24.5 $ 11.5
Unbilled Accounts Receivable 8.2 15.3 11.0
Deferred Income (22.9) (27.8) (32.0)
Customer Prepayments and Deposits $ (1.6) $ (1.9) $ (3.6)