Organization and Summary of Significant Accounting Policies - Inventories (Details) - USD ($) $ in Thousands	Jun. 27, 2021	Jun. 28, 2020	Jun. 30, 2019
Inventories
Finished products	$ 20,633	$ 13,142
Work in process	14,707	11,815
Purchased materials	40,900	34,333
Inventory, Gross, Total	76,240	59,290
Excess and obsolete reserve	(5,380)	(4,890)	$ (4,225)
Inventories, net	$ 70,860	$ 54,400

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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