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Income Taxes - Schedule of Reconciliation of Unrecognized Tax Benefits (Detail) - USD ($)
$ in Thousands
12 Months Ended
Jun. 27, 2019
Jun. 28, 2018
Jun. 29, 2017
Income Tax Disclosure [Abstract]      
Beginning balance $ 207 $ 174 $ 24
Gross increases - tax positions in prior year   6 7
Gross decreases - tax positions in prior year (6)    
Settlements
Gross increases - tax positions in current year 39 27 23
Lapse of statute of limitations     120
Ending balance $ 240 $ 207 $ 174