Retirement Plans (Funded Status) (Details) - Combined Employee Retirement Plans [Member] - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2025	Jan. 31, 2024
Change in Benefit Obligation
Benefit obligation at beginning of year	$ 27,385	$ 32,985
Service cost	0	0
Interest cost	1,251	1,410
Participant contributions	0	0
Amendments	0	0
Actuarial gains	(765)	(115)
Plan settlement	0	0
Benefits paid (a)	(1,047)	(6,895)
Benefit obligation at end of year	26,824	27,385
Change in Plan Assets
Fair value at beginning of year	19,111	23,628
Actual return on plan assets	2,352	1,702
Company contributions	623	676
Settlements	0	0
Benefits paid (a)	(1,047)	(6,895)
Fair value at end of year	21,039	19,111
Unfunded status of the plans	(5,785)	(8,274)
Amounts Recognized in Statement of Financial Position
Current liabilities	(384)	(314)
Non-current liabilities	(5,401)	(7,960)
Accrued benefit cost	(5,785)	(8,274)
Amounts Recognized in Statement of Financial Position and Operations
Accrued benefit liability	(5,785)	(8,274)
Accumulated other compensation (gain) loss	(1,822)	495
Net amount recognized	(7,607)	(7,779)
Items not yet Recognized as a Component of Net Periodic Pension (Income) Expense, included in AOCI
Unrecognized net actuarial (gain) loss	(1,822)	495
Unamortized prior service costs	0	0
Net initial asset recognition	0	0
Net periodic pension expense, included in AOCI	$ (1,822)	$ 495