Summary of Significant Accounting Policies - Schedule of Earnings Per Share Basic and Diluted (Detail)	12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012
Earnings Per Share [Abstract]
Basic weighted shares	21,104,000	22,256,000	22,952,000
Treasury stock impact of stock options	268,000	202,000	302,000
Diluted weighted shares	21,372,000	22,458,000	23,254,000