Unaudited Condensed Consolidated Statements of Comprehensive (Loss) Income - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Statement Of Income And Comprehensive Income [Abstract]
Net loss	$ (9,121)	$ (13,517)
Other comprehensive (loss) income, net of tax:
Foreign currency translation (losses) gains	430	(101)
Total other comprehensive (loss) income, net of tax	430	(101)
Comprehensive loss	$ (8,691)	$ (13,618)