Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands	Total	Preferred Stock [Member] Series C Preferred Stock [Member]	Common Stock Outstanding [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)		150,000	101,676,000				150,000
Balance (in shares) at May. 01, 2021		150,000	101,676,000				150,000
Balance at May. 01, 2021		$ 150	$ 1,016	$ 38,375	$ 337,672	$ 3,017	$ (5,100)	$ (19,133)
Stock options exercised (in shares)			36,000
Stock options exercised			$ 1	335
Stock-based compensation expense				695
Net income	$ 158,512				158,512
Common stock cash dividend					(280,003)
Cash flow hedges	3,882					3,882
Other	19					19
Repurchase of common stock (in shares)								0
Repurchase of common stock								$ 0
Balance (in shares) at Apr. 30, 2022		150,000	101,712,000				150,000	8,374,000
Balance at Apr. 30, 2022	239,438	$ 150	$ 1,017	39,405	216,181	6,918	$ (5,100)	$ (19,133)
Balance (in shares)		150,000	101,712,000				150,000	8,374,000
Stock options exercised (in shares)			15,000
Stock options exercised			$ 0	311
Stock-based compensation expense				677
Net income	142,164				142,164
Common stock cash dividend					0
Cash flow hedges	(10,130)					(10,130)
Other	27					27
Repurchase of common stock (in shares)								0
Repurchase of common stock								$ 0
Balance (in shares) at Apr. 29, 2023		150,000	101,727,000				150,000	8,374,000
Balance at Apr. 29, 2023	$ 372,487	$ 150	$ 1,017	40,393	358,345	(3,185)	$ (5,100)	$ (19,133)
Balance (in shares)		150,000	101,727,000				150,000	8,374,000
Stock options exercised (in shares)	215,000		215,000
Stock options exercised			$ 2	1,314
Stock-based compensation expense				881
Net income	$ 176,732				176,732
Common stock cash dividend					0
Cash flow hedges	7,910					7,910
Other	186					186
Repurchase of common stock (in shares)								0
Repurchase of common stock								$ 0
Balance (in shares) at Apr. 27, 2024			101,942,000					8,374,000
Balance at Apr. 27, 2024	$ 559,512		$ 1,019	$ 42,588	$ 535,077	$ 4,911		$ (19,133)
Balance (in shares)			101,942,000					8,374,000