Inventories (Components Of Inventories) (Detail) - USD ($) $ in Thousands	Jun. 29, 2019	Jul. 01, 2018	Jun. 30, 2018
Inventory [Line Items]
Finished goods	$ 76,757		$ 14,927
Work-in-process	11,705		22,254
Raw materials and supplies	11,969		73,134
Inventories	100,431	$ 99,105	$ 110,315
Accounting Standards Update 2014-09 [Member] \| Difference between Revenue Guidance in Effect before and after Topic 606 [Member]
Inventory [Line Items]
Inventory, Finished Goods, Net of Reserves	10,000
Inventory, Work in Process, Net of Reserves	9,600
Inventories	$ 19,563	$ (11,210)

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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Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are readily available for sale.

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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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Carrying amount, net of reserves and adjustments, as of the balance sheet date of merchandise or goods which are partially completed. This inventory is generally comprised of raw materials, labor and factory overhead costs, which require further materials, labor and overhead to be converted into finished goods, and which generally require the use of estimates to determine percentage complete and pricing.

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