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DISCONTINUED OPERATIONS AND OTHER DIVESTITURES - Cash flows from operating and investing activities for discontinued operations (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Discontinued Operations and Disposal Groups [Abstract]      
Net cash provided by operating activities — discontinued operations $ 5.2 $ 13.1 $ 6.9
Net cash used in investing activities — discontinued operations $ (1.5) $ (6.8) $ (3.0)