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Discontinued Operations - Cash Flow Detail (Details) - Discontinued Operations - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Cash flows from operating activities   $ 9.2
Cash flows from investing activities $ 6.1 $ 1.1