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Leases - Operating Leases Cash Flow Related Information (Detail) - USD ($)
$ in Thousands
6 Months Ended
Dec. 24, 2020
Dec. 26, 2019
Operating cash flows information:    
Cash paid for amounts included in measurements for lease liabilities $ 810 $ 770
Non-cash activity:    
Right of use assets obtained in exchange for new operating lease obligations $ 490 $ 163