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Leases - LeaseCost (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Mar. 25, 2021
Mar. 26, 2020
Mar. 25, 2021
Mar. 26, 2020
Leases [Abstract]        
Operating lease costs  $ 437 $ 432 $ 1,387 $ 1,266
Variable lease costs  17 16 54 47
Total Lease Cost $ 454 $ 448 $ 1,441 $ 1,313