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Debt - Schedule of Gross Borrowings and Gross Payments (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Line of Credit Facility [Line Items]      
Gross borrowings $ 84.0 $ 8.0 $ 262.7
Gross payments $ 76.6 $ 70.1 $ 53.6