CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Sep. 29, 2018	Sep. 30, 2017
Income Statement [Abstract]
Net sales	$ 127,472	$ 109,217
Cost of sales	117,939	101,372
Gross profit	9,533	7,845
Operating expenses
Research, development and engineering expenses	1,700	1,510
Selling, general and administrative expenses	5,288	5,171
Total operating expenses	6,988	6,681
Operating income	2,545	1,164
Interest expense, net	677	594
Income before income taxes	1,868	570
Income tax provision	275	138
Net income	$ 1,593	$ 432
Earnings per share:
Net income per share — Basic	$ 0.15	$ 0.04
Weighted average shares outstanding — Basic	10,760	10,760
Net income per share — Diluted	$ 0.15	$ 0.04
Weighted average shares outstanding — Diluted	10,979	10,760