Computation of Earnings Per Share - Computation of Basic and Diluted Earnings (Loss) Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended																12 Months Ended
	Jul. 03, 2022		Mar. 27, 2022		Dec. 26, 2021		Sep. 26, 2021		Jun. 27, 2021		Mar. 28, 2021		Dec. 27, 2020		Sep. 27, 2020		Jul. 03, 2022	Jun. 27, 2021	Jun. 28, 2020
Earnings Per Share [Abstract]
Net income (loss)	$ 3,496	[1]	$ 2,066	[1]	$ 929	[1]	$ 8,680	[1]	$ 13,419	[2]	$ 4,758	[2]	$ 7,464	[2]	$ 3,432	[2]	$ 15,171	$ 29,073	$ (57,237)
Weighted average common shares outstanding (in shares)																	18,429,000	18,472,000	18,475,000
Basic	$ 0.19	[3]	$ 0.11	[3]	$ 0.05	[3]	$ 0.47	[3]	$ 0.73	[3]	$ 0.26	[3]	$ 0.40	[3]	$ 0.19	[3]	$ 0.82	$ 1.57	$ (3.10)
Net potential common share equivalents																	439,000	384,000
Adjusted weighted average common shares outstanding (in shares)																	18,868,000	18,856,000	18,475,000
Diluted	$ 0.19	[3]	$ 0.11	[3]	$ 0.05	[3]	$ 0.46	[3]	$ 0.70	[3]	$ 0.25	[3]	$ 0.40	[3]	$ 0.18	[3]	$ 0.80	$ 1.54	$ (3.10)
Excluded from the calculation of common share equivalents:
Anti-dilutive common share equivalents (in shares)																	225,000	497,000	401,000
Unvested stock options that vest upon achievement of certain market conditions (in shares)																	333,000	333,000	333,000

[1] Net income for our domestic operations for all fiscal quarters of fiscal 2022 includes the adverse pressures on gross profit.

[2] Net income for the fiscal quarter ended September 27, 2020 includes adverse demand pressures from the COVID-19 pandemic. Net income for the fiscal quarter ended June 27, 2021 includes a recovery of non-income taxes in Brazil due to the favorable conclusion of litigation related to excess social program taxes for multiple prior years.

[3] Income per share is computed independently for each of the periods presented.  The sum of the income per share amounts for the fiscal quarters may not equal the total for the fiscal year.