Condensed Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($) shares in Thousands, $ 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) at May. 01, 2021		150	101,676
Balance at May. 01, 2021		$ 150	$ 1,016	$ 38,375	$ 337,672	$ 3,017
Stock options exercised (in shares)			12
Stock options exercised			$ 1	58
Stock-based compensation				171
Net income	$ 53,816				53,816
Cash flow hedges, net of tax	(1,753)					(1,753)
Balance (in shares) at Jul. 31, 2021			101,688					8,374
Balance at Jul. 31, 2021	408,290		$ 1,017	$ 38,604	391,488	1,264	$ (5,100)	$ (19,133)
Balance (in shares) at Apr. 30, 2022		150	101,712
Balance at Apr. 30, 2022	$ 239,438	$ 150	$ 1,017	$ 39,405	216,181	6,918
Stock options exercised (in shares)	0		0
Stock options exercised			$ 0	0
Stock-based compensation				170
Net income	$ 35,454				35,454
Cash flow hedges, net of tax	(10,956)					(10,956)
Balance (in shares) at Jul. 30, 2022			101,712					8,374
Balance at Jul. 30, 2022	$ 264,106		$ 1,017	$ 39,575	$ 251,635	$ (4,038)	$ (5,100)	$ (19,133)