Inventories (Components Of Inventory) (Details) - USD ($)	Apr. 30, 2024	Apr. 30, 2023	Apr. 30, 2022
Inventories [Abstract]
Finished products	$ 18,457,912	$ 22,093,018
Work-in-process	4,492,609	5,415,917
Raw materials	108,224,069	142,612,325
Total inventory, gross	131,174,590	170,121,260
Less obsolescence reserve	2,323,689	4,566,061	$ 3,236,347
Total inventory, net	$ 128,850,901	$ 165,555,199

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

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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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