Retirement Plans (Funded Status) (Details) - Combined Employee Retirement Plans [Member] - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2026	Jan. 31, 2025
Change in Benefit Obligation
Benefit obligation at beginning of year	$ 26,824	$ 27,385
Service cost	0	0
Interest cost	1,308	1,251
Participant contributions	0	0
Amendments	0	0
Actuarial losses (gains)	4	(765)
Plan settlement	(60)	0
Prior service cost	176	0
Benefits paid	(2,153)	(1,047)
Benefit obligation at end of year	26,099	26,824
Change in Plan Assets
Fair value at beginning of year	21,039	19,111
Actual return on plan assets	618	2,352
Company contributions	357	623
Settlements	0	0
Benefits paid	(2,153)	(1,047)
Fair value at end of year	19,861	21,039
Funded Status
Unfunded status of the plans	(6,238)	(5,785)
Amounts Recognized in Statement of Financial Position
Current liabilities	(6,357)	(384)
Non-current assets (liabilities)	119	(5,401)
Accrued benefit cost	(6,238)	(5,785)
Amounts Recognized in Statement of Financial Position and Operations
Accrued benefit liability	(6,238)	(5,785)
Accumulated other comprehensive gain	(1,109)	(1,822)
Net amount recognized	(7,347)	(7,607)
Items not yet Recognized as a Component of Net Periodic Pension (Income) Expense, included in AOCI
Unrecognized net actuarial gain	(1,285)	(1,822)
Unamortized prior service costs	176	0
Net initial asset recognition	0	0
Net periodic pension expense, included in AOCI	$ (1,109)	$ (1,822)