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CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Jul. 28, 2018	Jul. 29, 2017
Income Statement [Abstract]
Net sales	$ 154,188	$ 172,728
Cost of sales	115,941	128,082
Gross profit	38,247	44,646
Operating expenses:
Selling	16,378	14,939
General and administrative	8,537	8,935
Product design and development	9,292	9,047
Total operating expenses	34,207	32,921
Operating income	4,040	11,725
Nonoperating income (expense):
Interest income	197	211
Interest expense	(39)	(86)
Other (expense) income, net	(154)	145
Income before income taxes	4,044	11,995
Income tax (benefit) expense	(530)	3,566
Net income	$ 4,574	$ 8,429
Weighted average shares outstanding:
Basic (in shares)	44,638	44,244
Diluted (in shares)	44,831	44,461
Earnings per share:
Basic (in dollars per share)	$ 0.10	$ 0.19
Diluted (in dollars per share)	0.10	0.19
Cash dividend declared per share (in dollars per share)	$ 0.07	$ 0.07

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