CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Apr. 01, 2023	Apr. 02, 2022	Apr. 01, 2023	Apr. 02, 2022
Income Statement [Abstract]
Net sales	$ 164,553	$ 138,391	$ 425,524	$ 405,609
Cost of sales	150,277	126,883	391,950	374,155
Gross profit	14,276	11,508	33,574	31,454
Operating expenses
Research, development and engineering expenses	2,580	2,526	7,162	7,473
Selling, general and administrative expenses	6,961	6,193	18,353	17,447
Gain on insurance proceeds, net of losses	(396)	0	(4,040)	0
Total operating expenses	9,145	8,719	21,475	24,920
Operating income	5,131	2,789	12,099	6,534
Interest expense, net	2,688	1,551	7,081	3,638
Income before income taxes	2,443	1,238	5,018	2,896
Income tax provision	467	231	924	487
Net income	$ 1,976	$ 1,007	$ 4,094	$ 2,409
Net income per share — Basic (in dollars per share)	$ 0.18	$ 0.09	$ 0.38	$ 0.22
Weighted average shares outstanding — Basic (in shares)	10,762	10,762	10,762	10,762
Net income per share — Diluted (in dollars per share)	$ 0.18	$ 0.09	$ 0.38	$ 0.22
Weighted average shares outstanding — Diluted (in shares)	10,865	11,062	10,892	11,059