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Share-Based Compensation (Detail) - USD ($)			3 Months Ended
Share-Based Compensation (Detail) - USD ($)	Aug. 09, 2021	Jul. 24, 2020	Oct. 02, 2021	Sep. 26, 2020	Jul. 23, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized Share-based Compensation Expense			$ 600,000
Unrecognized Share-based Compensation, Period for Recognition			2 years 4 months 20 days
Stock Appreciation Rights (SARs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
SARs Granted	165,000	155,000
Strike Price	$ 7.17				$ 6.94
Fair Value	$ 2.73	$ 2.32
Share-based Compensation Expense			$ 68,000	$ 64,000