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								12 Months Ended
	Jun. 27, 2020	Mar. 28, 2020	Dec. 28, 2019	Sep. 28, 2019	Jun. 29, 2019	Mar. 30, 2019	Dec. 29, 2018	Sep. 29, 2018	Jun. 27, 2020	Jun. 29, 2019	Jun. 30, 2018
Earnings Per Share [Abstract]
Net income (loss)	$ 1,472	$ 910	$ 824	$ 1,552	$ 817	$ (11,981)	$ 1,589	$ 1,593	$ 4,758	$ (7,982)	$ (1,325)
Weighted average shares outstanding– basic	10,760	10,760	10,760	10,760	10,760	10,760	10,760	10,760	10,760	10,760	10,760
Effect of dilutive common stock awards									57	0	0
Weighted average shares outstanding – diluted	10,832	10,885	10,877	10,805	10,760	10,760	10,881	10,979	10,816	10,760	10,760
Earnings per share – basic (in dollars per share)	$ 0.14	$ 0.08	$ 0.08	$ 0.14	$ 0.08	$ (1.11)	$ 0.15	$ 0.15	$ 0.44	$ (0.74)	$ (0.12)
Earnings per share – diluted (in dollars per share)	$ 0.14	$ 0.08	$ 0.08	$ 0.14	$ 0.08	$ (1.11)	$ 0.15	$ 0.15	$ 0.44	$ (0.74)	$ (0.12)
Antidilutive SARs not included in diluted earnings per share									720	985	827