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. 29, 2019	Mar. 30, 2019	Dec. 29, 2018	Sep. 29, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 30, 2017	Sep. 30, 2017	Jun. 29, 2019	Jun. 30, 2018	Jul. 01, 2017
Earnings Per Share [Abstract]
Net income (loss)	$ 817	$ (11,981)	$ 1,589	$ 1,593	$ (2,177)	$ 644	$ (224)	$ 432	$ (7,982)	$ (1,325)	$ 5,617
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	10,756
Effect of dilutive common stock awards									0	0	161
Weighted average shares outstanding – diluted	10,760	10,760	10,881	10,979	10,760	10,760	10,760	10,760	10,760	10,760	10,917
Earnings per share – basic (in dollars per share)	$ 0.08	$ (1.11)	$ 0.15	$ 0.15	$ (0.20)	$ 0.06	$ (0.02)	$ 0.04	$ (0.74)	$ (0.12)	$ 0.52
Earnings per share – diluted (in dollars per share)	$ 0.08	$ (1.11)	$ 0.15	$ 0.15	$ (0.20)	$ 0.06	$ (0.02)	$ 0.04	$ (0.74)	$ (0.12)	$ 0.51
Antidilutive SARs not included in diluted earnings per share									985	827	892