v3.25.2
Accumulated Other Comprehensive Loss
 9 Months Ended
Jun. 30, 2025
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]  
Comprehensive Income (Loss) Note [Text Block] Accumulated Other Comprehensive Loss
Accumulated other comprehensive loss is as follows:

  Pension actuarial amortization,
net of income tax 		Foreign currency translation,
net of income tax		Total
(in millions)
Balance at September 30, 2024$(19.7)$(11.1)$(30.8)
Current period other comprehensive income1.2 17.7 18.9 
Balance at June 30, 2025$(18.5)$6.6 $(11.9)

For the nine months ended June 30, 2025, pension actuarial amortization included in the condensed consolidated statements of comprehensive income as a component of pension benefit other than service was $1.6 million, net of income tax of $0.4 million. Refer to Note 5. Retirement Plans for further information. For the nine months ended June 30, 2025, foreign currency translation included in the condensed consolidated statements of comprehensive income was $17.7 million, net of no income tax.
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
Accumulated other comprehensive loss is as follows:

  Pension actuarial amortization,
net of income tax 		Foreign currency translation,
net of income tax		Total
(in millions)
Balance at September 30, 2024$(19.7)$(11.1)$(30.8)
Current period other comprehensive income1.2 17.7 18.9 
Balance at June 30, 2025$(18.5)$6.6 $(11.9)

For the nine months ended June 30, 2025, pension actuarial amortization included in the condensed consolidated statements of comprehensive income as a component of pension benefit other than service was $1.6 million, net of income tax of $0.4 million. Refer to Note 5. Retirement Plans for further information. For the nine months ended June 30, 2025, foreign currency translation included in the condensed consolidated statements of comprehensive income was $17.7 million, net of no income tax.