Consolidated Balance Sheets (Parentheticals) (USD $)	Jun. 30, 2014	Mar. 31, 2014
Stockholders' Equity:
Preferred stock, par value (in USD per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value (in USD per share)	$ 0.01	$ 0.01
Common stock, shares authorized	250,000,000	250,000,000
Common stock, shares issued	52,209,000	52,021,000
Treasury stock, shares	240,000	206,000