Note 8 - Income Taxes - Components of Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
Apr. 30, 2022	May 01, 2021	May 02, 2020
Current	$ 42,555	$ 51,520	$ 40,647
Deferred	6,529	2,471	(1,164)
Total	$ 49,084	$ 53,991	$ 39,483

Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration