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Inventories - Components of Inventories (Detail) - USD ($) $ in Thousands	Jan. 31, 2022	Jan. 31, 2021
Inventory Disclosure [Abstract]
Materials and Supplies	$ 22,709	$ 20,265
Work-in-Progress	1,489	2,076
Finished Goods	19,718	16,371
Inventory, Gross	43,916	38,712
Inventory Reserve	(9,307)	(8,652)
Inventories	$ 34,609	$ 30,060

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

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