v3.26.1
Retirement Plans (Tables)
9 Months Ended
Jun. 30, 2026
Retirement Benefits [Abstract]  
Schedule of Net Periodic Benefit Cost
The components of net periodic cost for our Pension Plan are presented below:
Three months endedNine months ended
June 30,June 30,
2026202520262025
(in millions)
Service cost$0.1 $0.2 $0.4 $0.5 
Pension expense (benefit) other than service:
Interest cost3.0 3.0 9.0 9.0 
Expected return on plan assets(3.4)(3.6)(10.3)(10.8)
Amortization of actuarial net loss0.5 0.6 1.4 1.7 
Pension benefit other than service0.1 — 0.1 (0.1)
Net periodic cost$0.2 $0.2 $0.5 $0.4