CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 30, 2013	Mar. 31, 2012	Mar. 30, 2013	Mar. 31, 2012
Income Statement [Abstract]
Net sales	$ 84,343	$ 95,527	$ 276,418	$ 249,742
Cost of sales	76,483	86,803	249,587	229,145
Gross profit	7,860	8,724	26,831	20,597
Operating expenses
Research, development and engineering expenses	1,329	1,153	3,804	3,266
Selling, general and administrative expenses	2,938	2,879	8,406	8,229
Total operating expenses	4,267	4,032	12,210	11,495
Operating income	3,593	4,692	14,621	9,102
Interest expense, net	38	130	246	357
Income before income taxes	3,555	4,562	14,375	8,745
Income tax provision	692	1,168	4,189	930
Net income	$ 2,863	$ 3,394	$ 10,186	$ 7,815
Earnings per share:
Net income per share - Basic	$ 0.27	$ 0.32	$ 0.97	$ 0.75
Weighted average shares outstanding - Basic	10,489	10,447	10,488	10,437
Net income per share - Diluted	$ 0.26	$ 0.32	$ 0.94	$ 0.74
Weighted average shares outstanding - Diluted	10,931	10,762	10,888	10,517