Consolidated Balance Sheets (Parenthetical) - $ / shares	Mar. 31, 2016	Mar. 31, 2015
Statement of Financial Position [Abstract]
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares issued	60,978,000	60,303,000
Common stock, shares outstanding	60,978,000	60,303,000