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CONSOLIDATED STATEMENTS OF OPERATIONS (unaudited) (USD $) In Thousands, except Per Share data	3 Months Ended
	Jul. 30, 2011	Jul. 31, 2010
CONSOLIDATED STATEMENTS OF OPERATIONS [Abstract]
Net sales	$ 118,698	$ 100,503
Cost of goods sold	89,191	73,915
Gross profit	29,507	26,588
Operating expenses:
Selling expense	12,209	12,338
General and administrative	6,464	5,588
Product design and development	5,718	4,553
Total operating expenses	24,391	22,479
Operating income	5,116	4,109
Nonoperating income (expense):
Interest income	435	455
Interest expense	(76)	(36)
Other income (expense), net	(146)	95
Income before income taxes	5,329	4,623
Income tax expense	1,961	2,181
Net income	$ 3,368	$ 2,442
Weighted average shares outstanding:
Basic (in shares)	41,725	41,629
Diluted (in shares)	41,941	41,861
Earnings per share:
Basic (in dollars per share)	$ 0.08	$ 0.06
Diluted (in dollars per share)	$ 0.08	$ 0.06
Cash dividend paid per share (in dollars per share)	$ 0.11	$ 0.10

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