v3.25.2
Financial Instruments (Long-Term Debt) (Details) - USD ($)
$ in Thousands
Jun. 30, 2025
Sep. 30, 2024
Financial Instruments, Owned, at Fair Value, by Type, Alternative [Abstract]    
Carrying Amount $ 2,681,852 $ 2,688,243
Fair Value $ 2,668,041 $ 2,656,888