CONSOLIDATED STATEMENTS OF NET INCOME (UNAUDITED) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Oct. 27, 2013	Oct. 28, 2012	Oct. 27, 2013	Oct. 28, 2012
Net sales	$ 70,589	$ 65,560	$ 140,730	$ 134,744
Cost of sales	58,354	53,683	115,422	109,746
Gross profit	12,235	11,877	25,308	24,998
Selling, general and administrative expenses	7,200	7,209	14,299	14,850
Income from operations	5,035	4,668	11,009	10,148
Interest expense	99	156	239	346
Interest income	(102)	(96)	(195)	(222)
Other expense	224	76	616	121
Income before income taxes	4,814	4,532	10,349	9,903
Income taxes	1,718	(3,736)	4,023	(1,889)
Net income	$ 3,096	$ 8,268	$ 6,326	$ 11,792
Net income per share, basic	$ 0.25	$ 0.68	$ 0.52	$ 0.95
Net income per share, diluted	$ 0.25	$ 0.67	$ 0.51	$ 0.94
Average shares outstanding, basic	12,183	12,191	12,165	12,371
Average shares outstanding, diluted	12,389	12,348	12,391	12,541