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Income Taxes (Tables)
3 Months Ended
Dec. 31, 2022
Income Tax Disclosure [Abstract]  
Schedule of Income Tax Expense and Effective Tax Rate The following summarizes income tax expense and the effective tax rate in each interim period:
Three months ended
December 31
(In millions)20222021
Income tax (benefit) expense$(20.1)$10.1 
Effective tax rate percentage(291.3)%22.8 %