Consolidated Statements Of Income (USD $) In Thousands, except Per Share data	3 Months Ended
	Oct. 01, 2011	Oct. 02, 2010
Consolidated Statements Of Income [Abstract]
Net sales	$ 69,761	$ 63,340
Cost of sales	64,756	57,370
Gross profit on sales	5,005	5,970
Operating expenses:
Research, development and engineering	956	914
Selling, general and administrative	2,434	2,432
Total operating expenses	3,390	3,346
Operating income	1,615	2,624
Interest expense	103	72
Income before income tax provision	1,512	2,552
Income tax provision	265	810
Net income	$ 1,247	$ 1,742
Earnings per share - basic	$ 0.12	$ 0.17
Weighted average shares outstanding - basic	10,418	10,296
Earnings per share - diluted	$ 0.12	$ 0.17
Weighted average shares outstanding - diluted	10,446	10,403