CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2022	Jan. 01, 2022	Dec. 31, 2022	Jan. 01, 2022
Income Statement [Abstract]
Net sales	$ 123,708	$ 134,456	$ 260,971	$ 267,218
Cost of sales	114,788	124,648	241,672	247,272
Gross profit	8,920	9,808	19,299	19,946
Research, development and engineering expenses	2,287	2,498	4,583	4,947
Selling, general and administrative expenses	5,735	5,659	11,391	11,254
Gain on insurance proceeds, net of losses	(2,710)	0	(3,644)	0
Total operating expenses	5,312	8,157	12,330	16,201
Operating income	3,608	1,651	6,969	3,745
Interest expense, net	2,507	1,095	4,394	2,087
Income before income taxes	1,101	556	2,575	1,658
Income tax provision (benefit)	134	(31)	456	256
Net income	$ 967	$ 587	$ 2,119	$ 1,402
Net income per share - Basic (in USD per share)	$ 0.09	$ 0.05	$ 0.20	$ 0.13
Weighted average shares outstanding — Basic (in shares)	10,762	10,762	10,762	10,762
Net income per share - Diluted (in USD per share)	$ 0.09	$ 0.05	$ 0.20	$ 0.13
Weighted average shares outstanding — Diluted (in shares)	10,832	11,057	10,832	11,055