CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Sep. 26, 2015	Sep. 27, 2014
Income Statement [Abstract]
Net sales	$ 126,209	$ 86,342
Cost of sales	117,290	82,104
Gross profit	8,919	4,238
Operating expenses
Research, development and engineering expenses	1,556	1,336
Selling, general and administrative expenses	5,583	4,607
Total operating expenses	7,139	5,943
Operating income (loss)	1,780	(1,705)
Interest expense, net	533	189
Income (loss) before income taxes	1,247	(1,894)
Income tax provision (benefit)	430	(371)
Net income (loss)	$ 817	$ (1,523)
Earnings per share:
Net income (loss) per share — Basic	$ 0.08	$ (0.14)
Weighted average shares outstanding — Basic	10,706	10,548
Net income (loss) per share — Diluted	$ 0.07	$ (0.14)
Weighted average shares outstanding — Diluted	11,391	10,548