Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Aug. 01, 2020	Jul. 27, 2019
Operating Activities:
Net income	$ 51,164	$ 34,542
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	4,627	4,446
Deferred income tax benefit	(151)	(428)
Loss on disposal of property, net	2	46
Stock-based compensation	41	62
Amortization of operating right to use assets	3,399	3,435
Changes in assets and liabilities:
Trade receivables	(18,828)	38
Inventories	407	(2,731)
Prepaid and other assets	(163)	3,154
Accounts payable	98	(493)
Accrued and other liabilities	10,933	8,540
Net cash provided by operating activities	51,529	50,611
Investing Activities:
Additions to property, plant and equipment	(3,668)	(4,156)
Proceeds from sale of property, plant and equipment	1	6
Net cash used in investing activities	(3,667)	(4,150)
Financing Activities:
Proceeds from stock options exercised	139	7
Net cash provided by financing activities	139	7
Net Increase in Cash and Equivalents	48,001	46,468
Cash and Equivalents - Beginning of Period	304,518	156,200
Cash and Equivalents - End of Period	352,519	202,668
Other Cash Flow Information:
Interest paid	13	13
Income taxes paid	$ 1,240	$ 0