Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands	Total	Preferred Stock [Member] Series C Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Treasury Stock, Preferred [Member] Series C Preferred Stock [Member]	Treasury Stock, Common [Member]
Balance (in shares) at Apr. 27, 2019		150,000	101,356,000				150,000	8,065,000
Balance at Apr. 27, 2019		$ 150	$ 1,014	$ 36,557	$ 313,430	$ (1,543)	$ (5,100)	$ (12,900)
Stock options exercised (in shares)			250,000
Stock options exercised			$ 2	740
Stock-based compensation				125
End of year				37,422
Net income	$ 129,972				129,972
Cash flow hedges	(3,673)					(3,673)
Other	(204)					(204)
Repurchase of common stock (in shares)								309,000
Repurchase of common stock								$ (6,233)
Balance (in shares) at May. 02, 2020		150,000	101,606,000				150,000	8,374,000
Balance at May. 02, 2020	452,337	$ 150	$ 1,016	37,422	443,402	(5,420)	$ (5,100)	$ (19,133)
Stock options exercised (in shares)			70,000
Stock options exercised				491
Stock-based compensation				462
End of year				38,375
Net income	174,146				174,146
Common stock cash dividend					(279,876)
Cash flow hedges	7,930					7,930
Other	507					507
Balance (in shares) at May. 01, 2021		150,000	101,676,000				150,000	8,374,000
Balance at May. 01, 2021	$ 355,997	$ 150	$ 1,016	38,375	337,672	3,017	$ (5,100)	$ (19,133)
Stock options exercised (in shares)	36,500		36,000
Stock options exercised			$ 1	335
Stock-based compensation				695
End of year				$ 39,405
Net income	$ 158,512				158,512
Common stock cash dividend					(280,003)
Cash flow hedges	3,882					3,882
Other	19					19
Balance (in shares) at Apr. 30, 2022			101,712,000					8,374,000
Balance at Apr. 30, 2022	$ 239,438		$ 1,017		$ 216,181	$ 6,918		$ (19,133)