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CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Aug. 03, 2019	Jul. 28, 2018
Income Statement [Abstract]
Net sales	$ 180,256	$ 154,188
Cost of sales	134,751	115,941
Gross profit	45,505	38,247
Operating expenses:
Selling	18,297	16,378
General and administrative	9,093	8,537
Product design and development	10,500	9,292
Total operating expenses	37,890	34,207
Operating income	7,615	4,040
Nonoperating income (expense):
Interest income	269	197
Interest expense	(35)	(39)
Other income (expense), net	193	(154)
Income before income taxes	8,042	4,044
Income tax expense (benefit)	1,012	(530)
Net income	$ 7,030	$ 4,574
Weighted average shares outstanding:
Basic (in shares)	45,089	44,638
Diluted (in shares)	45,261	44,831
Earnings per share:
Basic (in dollars per share)	$ 0.16	$ 0.10
Diluted (in dollars per share)	$ 0.16	$ 0.10

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