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Leases - Lease Cost (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Dec. 29, 2022
Dec. 23, 2021
Dec. 29, 2022
Dec. 23, 2021
Leases [Abstract]        
Operating lease costs  $ 541 $ 470 $ 1,015 $ 914
Variable lease costs  58 19 115 36
Total lease cost $ 599 $ 489 $ 1,130 $ 950