Consolidated Statements of Comprehensive Income (Loss) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012
Net income	$ 7,351	$ 15,014	$ 1,495
Other comprehensive income (loss):
Foreign currency translation gains (losses)	3,025	(1,974)	(2,510)
Net unrealized (losses) gains on marketable securities	(18)	2
Other comprehensive income (loss)	3,007	(1,972)	(2,510)
Comprehensive income (loss)	$ 10,358	$ 13,042	$ (1,015)