Provision for Income Taxes (Benefit) Expense (Detail) - USD ($) $ in Thousands	3 Months Ended			12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2015	Mar. 31, 2014
Current:
Federal				$ (308)	$ (450)
Foreign, state and other				55	(484)
Prior year federal and state, with interest				1,714	0
Uncertain tax positions, federal and state				480	0
Deferred:
Federal				672	(467)
Foreign, state and other				454	(68)
Provision for income tax (benefit) expense	$ 1,600	$ 500	$ 900	$ 3,067	$ (1,469)