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Income Taxes - Reconciliation of the Beginning and Ending Amount of Unrecognized Tax Benefits (Details) - USD ($)
$ in Thousands
12 Months Ended
Jun. 28, 2020
Jun. 30, 2019
Reconciliation of the beginning and ending amount of unrecognized tax benefits    
Unrecognized tax benefits, beginning of year $ 1,138 $ 741
Gross increases – tax positions in prior years 140 229
Gross increases – current period tax positions 245 238
Tax years closed (61) (70)
Unrecognized tax benefits, end of year $ 1,462 $ 1,138