Income Taxes (Schedule of Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Deferred tax assets:
Net operating loss carry-forwards	$ 108,563	$ 114,151	$ 97,630
Tax credit carry-forwards	32,730	30,824	30,019
Depreciation			129
Intangible amortization	28,480	17,978	6,061
Deferred revenue (net)	7,955	7,811	10,540
Warrant amortization		1,355	2,723
Inventory write-downs	6,207	6,048	3,265
Other allowances and accruals	10,568	8,645	6,380
Stock Based Compensation	4,048	6,783	6,257
Other	4,275	5,902	10,772
Total deferred tax assets	202,826	199,497	173,776
Valuation allowance	(201,405)	(197,576)	(172,475)
Total net deferred tax assets	1,421	1,921	1,301
Deferred tax liabilities:
Depreciation	(343)	(707)
Goodwill Amortization	(4,459)	(2,787)	(1,097)
Foreign exchange gain			(2,670)
Deferred tax liability on foreign withholdings	(235)	(194)	(167)
Total deferred tax liabilities	(5,037)	(3,688)	(3,934)
Net deferred tax assets (liabilities)	(3,616)	(1,767)	(2,633)
Recorded as:
Net current deferred tax assets		760	1,058
Net non-current deferred tax assets	1,077	452	230
Net current deferred tax liabilities			(2,657)
Net non-current deferred tax liabilities	(4,693)	(2,979)	(1,264)
Net deferred tax assets (liabilities)	$ (3,616)	$ (1,767)	$ (2,633)