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Income Taxes (Schedule of Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Thousands | Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2017
--- | --- | --- | ---
Deferred tax assets: |  |  |
Net operating loss carry-forwards | $ 36,514 | $ 49,429 | $ 109,170
Tax credit carry-forwards | 54,745 | 48,093 | 34,444
Depreciation | 2,168 | 1,422 | 1,312
Intangible amortization | 36,882 | 35,107 | 32,919
Deferred revenue, net | 1,887 | 159 | 3,320
Inventory write-downs | 10,277 | 13,682 | 11,111
Other allowances and accruals | 30,210 | 25,700 | 13,002
Stock based compensation | 4,114 | 4,872 | 3,545
Deferred intercompany gain | 3,693 |  |
Other | 673 | 3,219 | 4,270
Total deferred tax assets | 181,163 | 181,683 | 213,093
Valuation allowance | (169,343) | (177,869) | (212,111)
Total net deferred tax assets | 11,820 | 3,814 | 982
Deferred tax liabilities: |  |  |
Goodwill amortization | (4,904) | (3,363) | (6,254)
Prepaid commissions | (1,585) | (1,034) |
Deferred tax liability on foreign withholdings | (505) | (357) | (321)
Total deferred tax liabilities | (6,994) | (4,754) | (6,575)
Net Deferred Tax Asset | 4,826 |  |
Net Deferred Tax (Liability) |  | (940) | (5,593)
Recorded as: |  |  |
Net non-current deferred tax assets | 6,783 | 5,195 | 983
Net non-current deferred tax liabilities | (1,957) | (6,135) | (6,576)
Net Deferred Tax Asset | $ 4,826 |  |
Net Deferred Tax (Liability) |  | $ (940) | $ (5,593)

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