Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands	12 Months Ended
	Apr. 29, 2023	Apr. 30, 2022	May 01, 2021
Statement [Line Items]
Balance	$ 239,438	$ 355,997
Stock options exercised (in shares)	15,300
Net income	$ 142,164	158,512	$ 174,146
Cash flow hedges	(10,130)	3,882	7,930
Other	27	19	507
Balance	$ 372,487	$ 239,438	$ 355,997
Preferred Stock [Member] | Series C Preferred Stock [Member]
Statement [Line Items]
Balance (in shares)	150,000	150,000	150,000
Balance	$ 150	$ 150	$ 150
Balance (in shares)		150,000	150,000
Balance (in shares)		150,000	150,000
Balance		$ 150	$ 150
Common Stock Outstanding [Member]
Statement [Line Items]
Balance (in shares)	101,712,000	101,676,000	101,606,000
Balance	$ 1,017	$ 1,016	$ 1,016
Stock options exercised (in shares)	15,000	36,000	70,000
Stock options exercised	$ 0	$ 1	$ 0
Balance (in shares)	101,727,000	101,712,000	101,676,000
Balance (in shares)	101,727,000	101,712,000	101,676,000
Balance	$ 1,017	$ 1,017	$ 1,016
Additional Paid-in Capital [Member]
Statement [Line Items]
Balance	39,405	38,375	37,422
Stock options exercised	311	335	491
Stock-based compensation	677	695	462
Balance	40,393	39,405	38,375
Retained Earnings [Member]
Statement [Line Items]
Balance	216,181	337,672	443,402
Net income	142,164	158,512	174,146
Common stock cash dividend	0	(280,003)	(279,876)
Balance	358,345	216,181	337,672
AOCI Attributable to Parent [Member]
Statement [Line Items]
Balance	6,918	3,017	(5,420)
Cash flow hedges	(10,130)	3,882	7,930
Other	27	19	507
Balance	$ (3,185)	$ 6,918	$ 3,017
Treasury Stock, Preferred [Member] | Series C Preferred Stock [Member]
Statement [Line Items]
Balance (in shares)	150,000	150,000	150,000
Balance	$ (5,100)	$ (5,100)	$ (5,100)
Balance (in shares)		150,000	150,000
Balance (in shares)		150,000	150,000
Balance		$ (5,100)	$ (5,100)
Treasury Stock, Common [Member]
Statement [Line Items]
Balance (in shares)	8,374,000	8,374,000
Balance	$ (19,133)	$ (19,133)	$ (19,133)
Balance (in shares)	8,374,000	8,374,000	8,374,000
Repurchase of common stock (in shares)	0	0	0
Repurchase of common stock	$ 0	$ 0	$ 0
Balance (in shares)	8,374,000	8,374,000	8,374,000
Balance	$ (19,133)	$ (19,133)	$ (19,133)