Consolidated Statements of Comprehensive Income (Loss) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (29,524)	$ 13,067	$ 32,408
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustment, net of tax	51	13	(87)
Unrealized gain (loss) on available-for-sale securities, net of tax	284	74	(80)
Reclassification adjustments for loss on available-for-sale securities recognized, net of tax	(132)	(84)	0
Net increase (decrease) from available-for-sale securities, net of tax	152	(10)	(80)
Other comprehensive income (loss), net of tax:	203	3	(167)
Comprehensive income (loss)	$ (29,321)	$ 13,070	$ 32,241