UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS (PARANTHETICAL) - $ / shares	Jun. 30, 2015	Mar. 31, 2015
Statement of Financial Position [Abstract]
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	90,000,000	90,000,000
Common stock, shares outstanding	34,918,659	34,838,374
Treasury stock, shares acquired, par value method	1,291,441	1,291,441
Treasury stock, shares acquired, cost method	2,756,419	2,756,419