Consolidated Balance Sheets (Parenthetical) - $ / shares	Jun. 30, 2016	Mar. 31, 2016
Statement of Financial Position [Abstract]
Common stock, par value	$ 0.0001	$ 0.0001
Common stock, shares authorized	120,000,000	120,000,000
Common stock, shares issued	53,521,120	53,448,672
Common stock, shares outstanding	19,596,701	19,562,413
Treasury stock, shares	33,924,419	33,886,259