Condensed Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Series C Preferred Stock [Member] Preferred Stock [Member]	Series C Preferred Stock [Member] Treasury Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Treasury Stock [Member]	Total
Balance (in shares)	150,000		101,356,000				8,066,000
Balance	$ 150		$ 1,013	$ 36,557	$ 313,430	$ (1,543)	$ (12,900)
Balance (in shares) at Apr. 27, 2019	150,000		101,356,000				8,066,000
Balance at Apr. 27, 2019	$ 150		$ 1,013	36,557	313,430	(1,543)	$ (12,900)
Stock options exercised (in shares)			154,000
Stock options exercised				406
Stock-based compensation				189
Net income					93,759			$ 93,759
Common stock cash dividend					0
Cash flow hedges, net of tax						558		558
Balance (in shares)	150,000		101,356,000				8,066,000
Balance	$ 150	$ (5,100)	$ 1,015	37,152	407,189	(985)	$ (17,219)	422,202
Stock repurchase (in shares)							212,000
Stock repurchase							$ (4,319)
Balance at Jan. 25, 2020		(5,100)	$ 1,015	37,152	407,189	(985)	$ (17,219)	422,202
Balance (in shares)	150,000		101,390,000				8,066,000
Balance	$ 150		$ 1,014	36,830	380,626	(1,108)	$ (12,900)
Balance (in shares) at Oct. 26, 2019	150,000		101,390,000				8,066,000
Balance at Oct. 26, 2019	$ 150		$ 1,014	36,830	380,626	(1,108)	$ (12,900)
Stock options exercised (in shares)			120,000
Stock options exercised				259
Stock-based compensation				63
Net income					26,563			26,563
Common stock cash dividend					0
Cash flow hedges, net of tax						123		123
Balance (in shares)	150,000		101,390,000				8,066,000
Balance	$ 150	(5,100)	$ 1,015	37,152	407,189	(985)	$ (17,219)	422,202
Stock repurchase (in shares)							212,000
Stock repurchase							$ (4,319)
Balance at Jan. 25, 2020		$ (5,100)	$ 1,015	37,152	407,189	(985)	$ (17,219)	422,202
Balance (in shares)		150,000	101,510,000				8,278,000
Balance		$ (5,100)	$ 1,015	37,152	407,189	(985)	$ (17,219)	422,202
Balance (in shares)	150,000		101,606,000				8,278,000
Balance	$ 150		$ 1,016	37,422	443,402	(5,420)	$ (19,133)	452,337
Balance (in shares) at May. 02, 2020	150,000		101,606,000				8,278,000
Balance at May. 02, 2020	$ 150		$ 1,016	37,422	443,402	(5,420)	$ (19,133)	$ 452,337
Stock options exercised (in shares)			68,000					67,690
Stock options exercised				475
Stock-based compensation				290
Net income					135,015			$ 135,015
Common stock cash dividend					(279,876)
Cash flow hedges, net of tax						7,774		7,774
Balance (in shares)	150,000		101,606,000				8,278,000
Balance	$ 150	(5,100)	$ 1,017	38,187	298,541	2,354	$ (19,133)	452,337
Stock repurchase (in shares)							96,000
Stock repurchase							$ 0
Balance at Jan. 30, 2021		(5,100)	$ 1,017	38,187	298,541	2,354	$ (19,133)	316,016
Balance (in shares)	150,000		101,664,000				8,374,000
Balance	$ 150		$ 1,017	37,944	541,730	1,469	$ (19,133)
Balance (in shares) at Oct. 31, 2020	150,000		101,664,000				8,374,000
Balance at Oct. 31, 2020	$ 150		$ 1,017	37,944	541,730	1,469	$ (19,133)
Stock options exercised (in shares)			10,000
Stock options exercised				72
Stock-based compensation				171
Net income					36,687			36,687
Common stock cash dividend					(279,876)
Cash flow hedges, net of tax						885		885
Balance (in shares)	150,000		101,664,000				8,374,000
Balance	$ 150	(5,100)	$ 1,017	38,187	298,541	2,354	$ (19,133)	316,016
Stock repurchase (in shares)							0
Stock repurchase							$ 0
Balance at Jan. 30, 2021		$ (5,100)	$ 1,017	38,187	298,541	2,354	$ (19,133)	316,016
Balance (in shares)		150,000	101,674,000				8,374,000
Balance		$ (5,100)	$ 1,017	$ 38,187	$ 298,541	$ 2,354	$ (19,133)	$ 316,016