Earnings Per Share - Computation of Basic and Diluted Earnings (Loss) Per Share (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 28, 2021	Mar. 29, 2020	Mar. 28, 2021	Mar. 29, 2020
Earnings Per Share [Abstract]
Net income (loss)	$ 4,758	$ (41,111)	$ 15,654	$ (36,990)
Basic weighted average shares	18,485	18,475	18,465	18,485
Net potential common share equivalents	482		331
Diluted weighted average shares	18,967	18,475	18,796	18,485
Excluded from the calculation of common share equivalents:
Anti-dilutive common share equivalents (in shares)	287	403	557	371
Unvested stock options that vest upon achievement of certain market conditions (in shares)	333		333