Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Preferred Stock [Member] Series C Preferred Stock [Member]	Preferred Stock [Member] Series D Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Treasury Stock [Member] Series C Preferred Stock [Member]	Treasury Stock [Member] Common Treasury Stock [Member]	Series C Preferred Stock [Member]	Series D Preferred Stock [Member]	Common Treasury Stock [Member]	Total
Beginning and end of period at Nov. 01, 2014	$ 150	$ 120
Beginning of period at May. 03, 2014		240
Series D preferred redeemed		(120)
Beginning of period at May. 03, 2014			$ 504
Stock options exercised				$ 39
End of period at Nov. 01, 2014			$ 504
Beginning of period at May. 03, 2014				42,775
Series D preferred redeemed				(5,791)
Stock-based compensation				131
Stock-based tax benefits				16
End of period at Nov. 01, 2014				37,170
Beginning of period at May. 03, 2014					$ 80,737
Net income					28,321							$ 28,321
Preferred stock dividends and accretion					(200)
End of period at Nov. 01, 2014					108,858
Beginning of period at May. 03, 2014						$ (205)
Cash flow hedges, net of tax						611						611
End of period at Nov. 01, 2014						406
Beginning and end of period at Nov. 01, 2014							$ (5,100)	$ (12,900)
Total Shareholders' Equity at Nov. 01, 2014												129,208
Beginning and end of period at Oct. 31, 2015	$ 150	120							$ 150	$ 120
Beginning of period at May. 02, 2015		$ 120							150	$ 120
Beginning of period at May. 02, 2015			504									504
Stock options exercised			1	441
End of period at Oct. 31, 2015			$ 505									505
Beginning of period at May. 02, 2015				37,759								37,759
Stock-based compensation				128
Stock-based tax benefits				211
End of period at Oct. 31, 2015				$ 38,539								38,539
Beginning of period at May. 02, 2015					129,773							129,773
Net income					32,425							32,425
Preferred stock dividends and accretion					(75)
End of period at Oct. 31, 2015					$ 162,123							162,123
Beginning of period at May. 02, 2015						(2,524)						(2,524)
Cash flow hedges, net of tax						(2,029)						(2,029)
End of period at Oct. 31, 2015						$ (4,553)						(4,553)
Beginning and end of period at Oct. 31, 2015							$ (5,100)	$ (12,900)	$ (5,100)		$ (12,900)
Total Shareholders' Equity at Oct. 31, 2015												$ 178,884