Retirement Plans (Periodic Pension Cost) (Details) - Pension Plan - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2024	Oct. 31, 2023	Oct. 31, 2024	Oct. 31, 2023
Components of Net Cost
Service cost	$ 0	$ 0	$ 0	$ 0
Interest cost	311	106	933	826
Expected return on plan assets	(167)	(203)	(500)	(601)
Plan settlement	0	372	0	372
Amortization of prior service cost	0	0	0	0
Recognized net actuarial (gain) loss	(38)	26	(113)	26
Benefit cost	$ 106	$ 301	$ 320	$ 623