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Schedule II (Consolidated Valuation And Qualifying Accounts) (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Jun. 29, 2019 | Jun. 30, 2018 | Jul. 01, 2017
Provision for obsolete inventory |  |  |
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] |  |  |
Balance at beginning of year | $ 1,458 | $ 1,306 | $ 1,113
Provisions | 91 | 31 | 496
Dispositions | 243 | 121 | (303)
Balance at end of year | 1,792 | 1,458 | 1,306
Allowance for Doubtful Accounts |  |  |
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] |  |  |
Balance at beginning of year | 0 | 84 | 135
Provisions | 58 | (84) | (10)
Dispositions | 0 | 0 | (41)
Balance at end of year | $ 58 | $ 0 | $ 84

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