Income Taxes (Schedule of Effective Income Tax Rate Reconciliation) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Income Tax Disclosure [Abstract]
Federal statutory income tax rate (percent)	35.00%
Tax at federal statutory rate (benefit)	$ (9,642)	$ (23,392)	$ (18,592)
State income tax, net of federal benefit	75	13	329
Change in valuation allowance	7,898	24,408	22,565
Research and development credits	(1,364)	(303)	(1,836)
Foreign earnings taxed at other than U.S. rates	1,678	(1,113)	(346)
Stock based compensation	3,564	2,298	348
Goodwill amortization	1,672	1,690	1,097
Other	455	1,206	624
Provision (benefit) for income taxes	$ 4,336	$ 4,807	$ 4,189