Consolidated Statements of Income (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Jan. 26, 2013	Jan. 28, 2012	Jan. 26, 2013	Jan. 28, 2012
Net sales	$ 144,723	$ 136,401	$ 494,140	$ 463,455
Cost of sales	98,370	91,166	334,903	303,043
Gross profit	46,353	45,235	159,237	160,412
Selling, general and administrative expenses	33,930	33,415	106,310	110,686
Interest expense	116	31	179	85
Other expense - net	23	11	145	81
Income before income taxes	12,284	11,778	52,603	49,560
Provision for income taxes	3,870	3,874	17,780	17,098
Net income	$ 8,414	$ 7,904	$ 34,823	$ 32,462
Earnings per common share
Basic (in Dollars per share)	$ 0.18	$ 0.17	$ 0.75	$ 0.70
Diluted (in Dollars per share)	$ 0.18	$ 0.17	$ 0.75	$ 0.70
Weighted average common shares outstanding:
Basic (in Shares)	46,321	46,276	46,304	46,263
Diluted (in Shares)	46,482	46,472	46,478	46,441