Quarterly report pursuant to Section 13 or 15(d)

Other Income, Net (Details)

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Other Income, Net (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Mar. 31, 2021
Mar. 31, 2020
Accumulated other comprehensive income (loss) [Line Items]        
Net loss on divestiture $ 34.1   $ 65.7 $ (3.0)
Interest Income, Other 1.0 $ 0.6 1.6 1.9
Foreign currency exchange gain, net 0.0 1.8 0.4 1.9
Other, net 0.0 (0.1) (1.4) 0.4
Other income, net $ 1.0 $ 2.3 $ 0.6 $ 4.2