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Revenue Recognition - Schedule of Changes in Contract Assets and Contract Liabilities (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Revenue from Contract with Customer [Abstract]    
Revenue recognized that was included in the contract liability balance at the beginning of the period $ 86.0 $ 67.5
Increases due to cash received, excluding amounts recognized as revenue during the period $ 0.8 $ 0.5