CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 29, 2014	Mar. 30, 2013	Mar. 29, 2014	Mar. 30, 2013
Income Statement [Abstract]
Net sales	$ 77,043	$ 84,343	$ 233,267	$ 276,418
Cost of sales	70,436	76,483	213,088	249,587
Gross profit	6,607	7,860	20,179	26,831
Operating expenses
Research, development and engineering expenses	1,414	1,329	4,181	3,804
Selling, general and administrative expenses	2,985	2,938	8,964	8,406
Total operating expenses	4,399	4,267	13,145	12,210
Operating income	2,208	3,593	7,034	14,621
Interest expense, net	12	38	50	246
Income before income taxes	2,196	3,555	6,984	14,375
Income tax provision	782	692	751	4,189
Net income	$ 1,414	$ 2,863	$ 6,233	$ 10,186
Earnings per share:
Net income per share — Basic (in dollars per share)	$ 0.13	$ 0.27	$ 0.59	$ 0.97
Weighted average shares outstanding — Basic	10,533	10,489	10,523	10,488
Net income per share — Diluted (in dollars per share)	$ 0.13	$ 0.26	$ 0.57	$ 0.94
Weighted average shares outstanding — Diluted	10,926	10,931	10,920	10,888