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Accumulated Other Comprehensive Loss (Tables)
6 Months Ended
Mar. 31, 2023
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]  
Schedule Of Accumulated Other Comprehensive Loss
Accumulated other comprehensive income (loss) is as follows:

  Pension,
net of tax
Foreign currency translationTotal
(in millions)
Balance at September 30, 2022$(36.3)$(8.3)$(44.6)
Current period other comprehensive income1.2 1.9 3.1 
Balance at March 31, 2023$(35.1)$(6.4)$(41.5)