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Schedule II (Consolidated Valuation And Qualifying Accounts) (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Jun. 27, 2020 | Jun. 29, 2019 | Jun. 30, 2018
Provision for obsolete inventory |  |  |
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] |  |  |
Balance at beginning of year | $ 1,792 | $ 1,458 | $ 1,306
Provisions | 136 | 91 | 31
Dispositions | 40 | 243 | 121
Balance at end of year | 1,968 | 1,792 | 1,458
Allowance for Doubtful Accounts |  |  |
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] |  |  |
Balance at beginning of year | 58 | 0 | 84
Provisions | 551 | 58 | (84)
Dispositions | 0 | 0 | 0
Balance at end of year | $ 609 | $ 58 | $ 0

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