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Discontinued Operations and Disposal Groups - Cash Flow Detail (Details) - Discontinued Operations - USD ($)
$ in Millions
1 Months Ended 11 Months Ended 12 Months Ended
Dec. 31, 2020
Nov. 19, 2020
Dec. 31, 2021
Dec. 31, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Cash flows from operating activities $ 2.3 $ 20.1 $ 31.9 $ 15.6
Cash flows from investing activities $ 2.5 $ 54.8 $ 38.5 $ 222.2