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CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Cash acquired $ 12.8 $ 90.9 $ 0.0
Restricted cash acquired 0.0 53.4 0.0
Cash restricted 56.3 50.0 0.0
Sirius Group      
Held for sale and discontinued operations cash balance $ 0.0 $ 0.0 $ 0.0