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Income Taxes (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Income Tax Disclosure [Abstract]        
Effective tax rate 16.40% 18.00% 22.00% 18.50%
Unrecognized tax benefit $ 73.2   $ 73.2