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Organization Restructuring (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Mar. 31, 2023
Dec. 31, 2022
Mar. 31, 2022
Mar. 31, 2023
Mar. 31, 2022
Restructuring Cost and Reserve [Line Items]          
Restructuring and other charges $ 0.7   $ 0.6 $ (3.0) $ 3.0
Gain (Loss) on Sale of Properties   $ 4.0