Condensed Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Treasury Stock, Common [Member]	Series C Preferred Stock [Member] Preferred Stock [Member]	Series C Preferred Stock [Member] Treasury Stock, Preferred [Member]
Balance (in shares)		101,606,000				8,374,000	150,000
Balance		$ 1,016	$ 37,422	$ 443,402	$ (5,420)	$ (19,133)	$ 150
Balance (in shares) at May. 02, 2020		101,606,000				8,374,000	150,000
Balance at May. 02, 2020		$ 1,016	37,422	443,402	(5,420)	$ (19,133)	$ 150
Stock options exercised (in shares)		28,000
Stock options exercised			139
Stock-based compensation			41
Net income	$ 51,164			51,164
Cash flow hedges, net of tax	5,259				5,259
Balance at Aug. 01, 2020	508,940	$ 1,016	37,602	494,566	(161)			$ (5,100)
Balance (in shares) at May. 02, 2020		101,606,000				8,374,000	150,000
Balance at May. 02, 2020		$ 1,016	37,422	443,402	(5,420)	$ (19,133)	$ 150
Cash flow hedges, net of tax	(1,753)
Balance at May. 01, 2021	355,997	$ 1,016	38,375	337,672	3,017	$ (19,133)	$ 150
Balance (in shares)		101,634,000						150,000
Balance	508,940	$ 1,016	37,602	494,566	(161)			$ (5,100)
Balance (in shares)		101,676,000				8,374,000	150,000
Balance	$ 355,997	$ 1,016	38,375	337,672	3,017	$ (19,133)	$ 150
Balance (in shares) at May. 01, 2021		101,676,000				8,374,000	150,000
Stock options exercised (in shares)	12,600	12,000
Stock options exercised			58
Stock-based compensation			171
Net income	$ 53,816			53,816
Cash flow hedges, net of tax	(1,753)				(1,753)
Balance at Jul. 31, 2021	408,290	$ 1,017	38,604	391,488	1,264			$ (5,100)
Balance (in shares)		101,688,000						150,000
Balance	$ 408,290	$ 1,017	$ 38,604	$ 391,488	$ 1,264			$ (5,100)