Organization and Summary of Significant Accounting Policies - Inventories (Details) - USD ($) $ in Thousands	Jun. 28, 2020	Jun. 30, 2019	Jul. 01, 2018
Inventories
Finished products	$ 13,142	$ 11,582
Work in process	11,815	10,529
Purchased materials	34,333	29,376
Inventory, Gross, Total	59,290	51,487
Excess and obsolete reserve	(4,890)	(4,225)	$ (4,000)
Inventories, net	$ 54,400	$ 47,262

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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