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Income Taxes (Schedule of Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Thousands | Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2016
--- | --- | --- | ---
Deferred tax assets: |  |  |
Net operating loss carry-forwards | $ 49,429 | $ 109,170 | $ 108,563
Tax credit carry-forwards | 48,093 | 34,444 | 32,730
Depreciation | 1,422 | 1,312 |
Intangible amortization | 35,107 | 32,919 | 28,480
Deferred revenue, net | 159 | 3,320 | 3,190
Inventory write-downs | 13,682 | 11,111 | 6,207
Other allowances and accruals | 25,700 | 13,002 | 10,568
Stock based compensation | 4,872 | 3,545 | 4,048
Other | 2,185 | 4,270 | 4,275
Total deferred tax assets | 180,649 | 213,093 | 198,061
Valuation allowance | (177,869) | (212,111) | (196,640)
Total net deferred tax assets | 2,780 | 982 | 1,421
Deferred tax liabilities: |  |  |
Depreciation |  |  | (343)
Goodwill amortization | (3,363) | (6,254) | (4,459)
Deferred tax liability on foreign withholdings | (357) | (321) | (235)
Total deferred tax liabilities | (3,720) | (6,575) | (5,037)
Net deferred tax liabilities | (940) | (5,593) | (3,616)
Recorded as: |  |  |
Net non-current deferred tax assets | 5,195 | 983 | 1,077
Net non-current deferred tax liabilities | (6,135) | (6,576) | (4,693)
Net deferred tax liabilities | $ (940) | $ (5,593) | $ (3,616)

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