Provision for Income Taxes (Benefit) Expense (Detail) - USD ($) $ in Thousands	3 Months Ended			12 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2013	Mar. 31, 2016	Mar. 31, 2015
Current:
Federal				$ (685)	$ (308)
Foreign, state and other				8	55
Prior year federal and state, with interest				48	1,713
Uncertain tax positions, federal and state				(249)	481
Deferred:
Federal				602	672
Foreign, state and other				17	454
Provision for income tax (benefit) expense	$ 1,600	$ 500	$ 900	$ (259)	$ 3,067