v3.26.1
Accumulated Other Comprehensive Loss (Tables)
 9 Months Ended
Jun. 30, 2026
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]  
Schedule Of Accumulated Other Comprehensive Loss
Accumulated other comprehensive income (loss) is as follows:

  Pension actuarial amortization,
net of income tax 		Foreign currency translation,
net of income tax		Total
(in millions)
Balance as of September 30, 2025$(14.9)$10.3 $(4.6)
Current period other comprehensive income1.1 7.8 8.9 
Balance as of June 30, 2026$(13.8)$18.1 $4.3