Investment in Joint Ventures and Majority Owned Subsidiaries - Schedule of Joint Venture Investments (Details) - USD ($) $ in Thousands	Jun. 28, 2020	Jun. 30, 2019
Schedule Of Equity Method Investments [Line Items]
Investment in VAST LLC	$ 22,068	$ 23,528
VAST LLC
Schedule Of Equity Method Investments [Line Items]
Investment in VAST LLC	$ 22,068	23,528
SAL LLC
Schedule Of Equity Method Investments [Line Items]
Other Current Liabilities		$ 328

Amount of liabilities classified as other, due within one year or the normal operating cycle, if longer.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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