CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Oct. 02, 2021	Sep. 26, 2020
Income Statement [Abstract]
Net sales	$ 132,762	$ 123,207
Cost of sales	122,624	113,192
Gross profit	10,138	10,015
Operating expenses
Research, development and engineering expenses	2,449	2,245
Selling, general and administrative expenses	5,595	4,974
Total operating expenses	8,044	7,219
Operating income	2,094	2,796
Interest expense, net	992	681
Income before income taxes	1,102	2,115
Income tax provision	287	396
Net income	$ 815	$ 1,719
Earnings per share:
Net income per share — Basic	$ 0.08	$ 0.16
Weighted average shares outstanding — Basic	10,762	10,760
Net income per share — Diluted	$ 0.07	$ 0.16
Weighted average shares outstanding — Diluted	11,052	11,040