Earnings Per Share - Computation of Basic and Diluted Earnings (Loss) Per Share (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 26, 2021	Dec. 27, 2020	Dec. 26, 2021	Dec. 27, 2020
Earnings Per Share [Abstract]
Net income	$ 929	$ 7,464	$ 9,609	$ 10,896
Basic weighted average shares	18,511	18,465	18,513	18,456
Net potential common share equivalents	493	267	486	273
Diluted weighted average shares	19,004	18,732	18,999	18,729
Excluded from the calculation of common share equivalents:
Anti-dilutive common share equivalents (in shares)	324	706	324	747
Unvested stock options that vest upon achievement of certain market conditions (in shares)	333	333	333	333