CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Sep. 28, 2013	Sep. 29, 2012
Income Statement [Abstract]
Net sales	$ 77,974	$ 97,508
Cost of sales	71,352	88,033
Gross profit	6,622	9,475
Operating expenses
Research, development and engineering expenses	1,345	1,250
Selling, general and administrative expenses	2,817	2,529
Total operating expenses	4,162	3,779
Operating income	2,460	5,696
Interest expense, net	22	116
Income before income taxes	2,438	5,580
Income tax provision	733	1,836
Net income	$ 1,705	$ 3,744
Earnings per share:
Net income per share — Basic (in dollars per share)	$ 0.16	$ 0.36
Weighted average shares outstanding — Basic	10,507	10,486
Net income per share — Diluted (in dollars per share)	$ 0.16	$ 0.35
Weighted average shares outstanding — Diluted	10,933	10,830