Inventories - Inventories Components (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Jun. 24, 2018
Inventory Disclosure [Abstract]
Raw materials	$ 49,124	$ 45,448
Supplies	7,952	7,314
Work in process	8,611	8,834
Finished goods	67,699	66,314
Gross inventories	133,386	127,910
Inventory reserves	(1,425)	(1,599)
Total inventories	$ 131,961	$ 126,311

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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 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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Amount before valuation and LIFO reserves of other supplies used within the manufacturing or production process expected to be consumed within one year or operating cycle, if longer.

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