Property, Plant and Equipment (Tables)

6 Months Ended

Jul. 31, 2026

Property, Plant, and Equipment [Abstract]

Schedule of Property Plant and Equipment

Property, plant and equipment, net consists of the following:

	7/31/2026		1/31/2026		7/31/2025
	(In thousands)
Land	$	3,731	$	3,731	$	3,731
Land improvements	706		706		706
Buildings and building improvements	52,059		52,059		52,050
Machinery and equipment	124,903		123,179		122,538
Leasehold improvements	649		649		657
Property, plant and equipment, gross	182,048		180,324		179,682
Less accumulated depreciation and amortization	(148,652)		(145,746)		(143,562)
Property, plant and equipment, net	$	33,396	$	34,578	$	36,120