Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Oct. 26, 2019	Oct. 27, 2018
Operating Activities:
Net income	$ 67,196	$ 89,908
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	8,946	7,355
Deferred income tax provision	292	2,822
(Loss) gain on sale of property, net	(5)	3
Stock-based compensation	126	117
Changes in assets and liabilities:
Trade receivables	12,222	50
Inventories	2,926	(19,914)
Prepaid and other assets	1,111	(7,999)
Accounts payable	(5,373)	3,089
Accrued and other liabilities	(287)	741
Net cash provided by operating activities	87,154	76,172
Investing Activities:
Additions to property, plant and equipment	(9,642)	(16,302)
Proceeds from sale of property, plant and equipment	8	1
Net cash used in investing activities	(9,634)	(16,301)
Financing Activities:
Proceeds from stock options exercised	147	325
Net cash provided by financing activities	147	325
Net Increase in Cash and Equivalents	77,667	60,196
Cash and Equivalents - Beginning of Period	156,200	189,864
Cash and Equivalents - End of Period	233,867	250,060
Other Cash Flow Information:
Interest paid	38	38
Income taxes paid	$ 22,675	$ 23,835