Condensed Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Oct. 26, 2019	Oct. 27, 2018	Oct. 26, 2019	Oct. 27, 2018
Net sales	$ 251,611	$ 260,709	$ 515,179	$ 553,299
Cost of sales	158,797	157,185	325,791	334,080
Gross profit	92,814	103,524	189,388	219,219
Selling, general and administrative expenses	51,170	51,366	103,166	104,056
Interest expense	50	51	101	101
Other income - net	1,072	1,187	1,853	2,042
Income before income taxes	42,666	53,294	87,974	117,104
Provision for income taxes	10,012	12,216	20,778	27,196
Net income	$ 32,654	$ 41,078	$ 67,196	$ 89,908
Earnings per common share:
Basic (in dollars per share)	$ 70	$ 88	$ 1.44	$ 1.93
Diluted (in dollars per share)	$ 70	$ 88	$ 1.43	$ 1.92
Weighted average common shares outstanding:
Basic (in shares)	46,653	46,628	46,650	46,623
Diluted (in shares)	46,877	46,928	46,879	46,923