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Earnings Per Share (Reconciliation Of Denominator And Number Of Antidilutive Common Share Awards Not Included In Diluted Earnings Per Share Calculation) (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 26, 2020	Dec. 28, 2019	Dec. 26, 2020	Dec. 28, 2019
Earnings Per Share [Abstract]
Net income	$ 1,580	$ 824	$ 3,299	$ 2,376
Weighted average shares outstanding - basic	10,760	10,760	10,760	10,760
Effect of dilutive common stock options (Shares)	625	117	280	51
Weighted average shares outstanding - Diluted	11,385	10,877	11,040	10,811
Net income per share—diluted	$ 0.15	$ 0.08	$ 0.31	$ 0.22
Net income per share—diluted	$ 0.14	$ 0.08	$ 0.30	$ 0.22
Antidilutive options not included in diluted earnings per share (Shares)	0	725	324	725

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