CONSOLIDATED BALANCE SHEETS (Parentheticals) (USD $)	Mar. 31, 2013	Mar. 31, 2012
Stockholders' Equity:
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	1,000,000	1,000,000
Preferred stock, shares outstanding	0	0
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares issued	43,296,000	47,160,000
Treasury stock, common shares	13,000	4,648,000