Consolidated Balance Sheets (Unaudited) (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified	Nov. 01, 2014	May 03, 2014
Preferred stock, par value (in dollars per share)	$ 1	$ 1
Preferred stock, shares authorized (in shares)	1,000,000	1,000,000
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares auhorized (in shares)	75,000,000	75,000,000
Common stock, shares issued (in shares)	50,374,699	50,367,799
Series C Preferred Stock [Member]
Preferred stock, shares issued (in shares)	150,000	150,000
Treasury stock, shares (in shares)	150,000	150,000
Series D Preferred Stock [Member]
Preferred stock, shares issued (in shares)	120,000	240,000
Series D, aggregate liquidation preference	$ 6,000	$ 12,000
Common Treasury Stock [Member]
Treasury stock, shares (in shares)	4,032,784	4,032,784