v3.25.4
Retirement Benefit Plans - Components of Net Periodic Benefit Cost (Details) - USD ($)
$ in Thousands
3 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Retirement Benefits [Abstract]    
Service cost $ 32 $ 43
Interest cost 232 236
Expected return on plan assets (265) (264)
Amortization of net loss 17 23
Net periodic pension cost $ 16 $ 38