CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 28, 2024	Dec. 30, 2023	Dec. 28, 2024	Dec. 30, 2023
Income Statement [Abstract]
Net sales	$ 113,853	$ 147,847	$ 245,411	$ 297,959
Cost of sales	106,147	136,084	224,402	275,334
Gross profit	7,706	11,763	21,009	22,625
Research, development and engineering expenses	2,320	1,758	4,609	3,999
Selling, general and administrative expenses	6,507	6,057	13,077	11,841
Gain on insurance proceeds, net of losses	0	0	0	(431)
Total operating expenses	8,827	7,815	17,686	15,409
Operating income (loss)	(1,121)	3,948	3,323	7,216
Interest expense, net	3,904	2,961	7,167	5,972
Income (loss) before income taxes	(5,025)	987	(3,844)	1,244
Income tax provision (benefit)	(111)	(97)	(54)	(175)
Net income (loss)	$ (4,914)	$ 1,084	$ (3,790)	$ 1,419
Net income (loss) per share — Basic (in USD per share)	$ (0.46)	$ 0.10	$ (0.35)	$ 0.13
Weighted average shares outstanding — Basic (in shares)	10,762	10,762	10,762	10,762
Net income (loss) per share — Diluted (in USD per share)	$ (0.46)	$ 0.10	$ (0.35)	$ 0.13
Weighted average shares outstanding — Diluted (in shares)	10,762	10,889	10,762	10,889