CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 27, 2014	Dec. 28, 2013	Dec. 27, 2014	Dec. 28, 2013
Income Statement [Abstract]
Net sales	$ 114,311	$ 78,250	$ 200,653	$ 156,224
Cost of sales	105,072	71,300	187,176	142,652
Gross profit	9,239	6,950	13,477	13,572
Operating expenses
Research, development and engineering expenses	1,297	1,421	2,633	2,767
Selling, general and administrative expenses	5,425	3,163	10,032	5,979
Total operating expenses	6,722	4,584	12,665	8,746
Operating income	2,517	2,366	812	4,826
Interest expense, net	404	16	593	38
Income before income taxes	2,113	2,350	219	4,788
Income tax provision (benefit)	487	(764)	116	(31)
Net income	$ 1,626	$ 3,114	$ 103	$ 4,819
Earnings per share:
Net income per share — Basic	$ 0.15	$ 0.30	$ 0.01	$ 0.46
Weighted average shares outstanding — Basic	10,552	10,530	10,550	10,519
Net income per share — Diluted	$ 0.14	$ 0.27	$ 0.01	$ 0.43
Weighted average shares outstanding — Diluted	11,471	11,354	11,442	11,330