Consolidated Balance Sheets (Parentheticals) (Unaudited) (USD $)	Dec. 29, 2012	Mar. 31, 2012
Common stock par value	$ 0.01	$ 0.01
Common stock authorized	65,000,000	45,000,000
Common shares issued	37,244,677	36,855,258
Treasury stock	6,068,080	5,967,991
Preferred Class C [Member]
Preferred stock par value	$ 1.50	$ 1.50
Preferred stock conversion value	$ 0.064	$ 0.064
Preferred stock shares authorized	150,000	150,000
Preferred stock shares issued	32,500	32,500
Preferred stock shares outstanding	32,500	32,500