INCOME TAXES Income Before Income Tax Expense (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012
Income Tax Disclosure [Abstract]
Domestic	$ 80,515	$ 66,735	$ 49,525
Foreign	(2,659)	(2,999)	1,393
Net Income	$ 77,856	$ 63,736	$ 50,918