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, Preferred [Member] Series C Preferred Stock [Member]	Treasury Stock, Common [Member]	Total
Balance at Aug. 01, 2015	$ 150	$ 120	$ 504	$ 38,094	$ 146,848	$ (4,775)	$ (5,100)	$ (12,900)	$ 162,941
Balance, period start at May. 02, 2015				37,759	129,773	(2,524)
Stock options exercised				219
Stock-based compensation				63
Stock-based tax benefits				53
Net income					17,113				17,113
Preferred stock dividends					(38)
Cash flow hedges						(2,251)			(2,251)
Balance at Jul. 30, 2016	$ 150		$ 506	34,676	219,728	(1,392)	$ (5,100)	$ (12,900)	235,668
Balance, period start at Apr. 30, 2016				34,570	190,733	(1,807)			206,152
Stock options exercised				29
Stock-based compensation				49
Stock-based tax benefits				$ 28
Net income					28,995				28,995
Preferred stock dividends
Cash flow hedges						$ 415			$ 415