CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Oct. 01, 2016	Sep. 26, 2015
Income Statement [Abstract]
Net sales	$ 117,135	$ 126,209
Cost of sales	107,426	117,290
Gross profit	9,709	8,919
Operating expenses
Research, development and engineering expenses	1,584	1,556
Selling, general and administrative expenses	5,335	5,583
Total operating expenses	6,919	7,139
Operating income	2,790	1,780
Interest expense, net	589	533
Income before income taxes	2,201	1,247
Income tax provision	409	430
Net income	$ 1,792	$ 817
Earnings per share:
Net income per share — Basic	$ 0.17	$ 0.08
Weighted average shares outstanding — Basic	10,748	10,706
Net income per share — Diluted	$ 0.16	$ 0.07
Weighted average shares outstanding — Diluted	10,922	11,391