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Organization and Summary of Significant Accounting Policies - Accounts Receivable Balance Percentage of Different Customers (Detail) - Accounts Receivable [Member] - Credit Concentration Risk [Member] | 12 Months Ended
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Jun. 27, 2020 | Jun. 29, 2019
Customer A [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Concentration Risk, Percentage |  | 21.00% |
Customer B [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Concentration Risk, Percentage |  | 18.00% |
Customer C [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Concentration Risk, Percentage | [1] |  | 25.00%
Customer D [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Concentration Risk, Percentage | [1] |  | 16.00%
[1] | Less than 10%

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