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Inventories - Components of Inventories (Detail) - USD ($) $ in Thousands	Jul. 31, 2025	Jan. 31, 2025
Inventory Disclosure [Abstract]
Materials and Supplies	$ 32,839	$ 35,181
Work-In-Progress	2,602	2,559
Finished Goods	22,401	19,879
Inventory, Gross	57,842	57,619
Inventory Reserve	(9,449)	(9,725)
Inventories	$ 48,393	$ 47,894

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Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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Gross amount, as of the balance sheet date, of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Gross amount of unprocessed materials to be used in manufacturing or production process and supplies that will be consumed.

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Amount of valuation reserve for inventory.

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Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer.

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