Inventories - Inventory Components (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Jun. 30, 2021
Inventory Disclosure [Abstract]
Finished products	$ 39,186	$ 37,787
Work-in-process	1,509	1,320
Raw materials	39,203	33,428
Total FIFO inventory	79,898	72,535
LIFO reserve	(20,664)	(18,244)
Total inventory	$ 59,234	$ 54,291

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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 by which inventory stated at last-in first-out (LIFO) is less than (in excess of) inventory stated at other inventory cost methods.

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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 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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