CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 30, 2019	Mar. 31, 2018	Mar. 30, 2019	Mar. 31, 2018
Income Statement [Abstract]
Net sales	$ 107,954	$ 108,352	$ 358,463	$ 329,294
Cost of sales	101,147	100,197	332,243	304,494
Gross profit	6,807	8,155	26,220	24,800
Operating expenses
Research, development and engineering expenses	1,398	1,560	4,955	4,565
Selling, general and administrative expenses	5,497	5,816	16,184	16,641
Impairment of goodwill and intangibles	12,448	0	12,448	0
Total operating expenses	19,343	7,376	33,587	21,206
Operating income (loss)	(12,536)	779	(7,367)	3,594
Interest expense, net	720	656	2,105	1,866
Income (loss) before income taxes	(13,256)	123	(9,472)	1,728
Income tax provision (benefit)	(1,275)	(521)	(673)	876
Net income (loss)	$ (11,981)	$ 644	$ (8,799)	$ 852
Earnings per share:
Net income (loss) per share — Basic	$ (1.11)	$ 0.06	$ (0.82)	$ 0.08
Weighted average shares outstanding — Basic	10,760	10,760	10,760	10,760
Net income (loss) per share — Diluted	$ (1.11)	$ 0.06	$ (0.82)	$ 0.08
Weighted average shares outstanding — Diluted	10,760	10,760	10,760	10,760