Consolidated Statements of Shareholders' Equity (Unaudited) (USD $) In Thousands, unless otherwise specified	Series C Preferred Stock [Member] Preferred Stock [Member]	Series C Preferred Stock [Member] Treasury Stock [Member]	Series C Preferred Stock [Member]	Series D Preferred Stock [Member] Preferred Stock [Member]	Series D Preferred Stock [Member]	Common Treasury Stock [Member] Treasury Stock [Member]	Common Treasury Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total
Beginning of period at Apr. 27, 2013										$ 37,828
Beginning of period at Apr. 27, 2013											(964)
Beginning of period at Apr. 27, 2013				400
Beginning of period at Apr. 27, 2013									50,398
Additional Paid-In Capital
Stock options exercised									4
Stock-based compensation									37
Stock-based tax benefits									3
Retained Earnings
Net income										12,070		12,070
Preferred stock dividends and accretion										(150)
Accumulated Other Comprehensive Income (Loss)
Cash flow hedges, net of tax											(280)	(280)
End of period at Jul. 27, 2013											(1,244)
End of Year at Jul. 27, 2013		(5,100)				(12,900)
Total Shareholders' Equity at Jul. 27, 2013												82,000
End of period at Jul. 27, 2013										49,748
End of year at Jul. 27, 2013	150			400
Beginning and end of period at Jul. 27, 2013								504
End of period at Jul. 27, 2013									50,442
Beginning of period at May. 03, 2014										80,737		80,737
Beginning of period at May. 03, 2014											(205)	(205)
Beginning of period at May. 03, 2014			150	240	240
Beginning of period at May. 03, 2014									42,775			42,775
Series C Preferred Stock
Series D preferred redeemed				(120)
Additional Paid-In Capital
Series D preferred redeemed									(5,791)
Stock options exercised									23
Stock-based compensation									51
Stock-based tax benefits									2
Retained Earnings
Net income										15,363		15,363
Preferred stock dividends and accretion										(163)
Accumulated Other Comprehensive Income (Loss)
Cash flow hedges, net of tax											371	371
End of period at Aug. 02, 2014											166	166
End of Year at Aug. 02, 2014		(5,100)	5,100			(12,900)	12,900
Total Shareholders' Equity at Aug. 02, 2014												115,937
End of period at Aug. 02, 2014										95,937		95,937
End of year at Aug. 02, 2014	150		150	120	120
Beginning and end of period at Aug. 02, 2014								504				504
End of period at Aug. 02, 2014									$ 37,060			$ 37,060