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Earnings Per Common Share - Weighted Average Shares Outstanding Used in Computing Basic and Diluted Earnings Per Share (Detail) - shares
3 Months Ended 6 Months Ended
Dec. 23, 2021
Dec. 24, 2020
Dec. 23, 2021
Dec. 24, 2020
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]        
Weighted average number of shares outstanding – basic 11,531,844 11,493,759 11,525,730 11,485,523
Effect of dilutive securities:        
Restricted stock units 44,812 39,767 56,912 56,534
Weighted average number of shares outstanding - diluted 11,576,656 11,533,526 11,582,642 11,542,057