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Income Taxes - Tax Uncertainties (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2016
Tax Uncertainties |  |  |  |
Interest and penalties accrued | $ 200 | $ 200 |  | $ 100
Balance at beginning of the year | 2,392 | 2,260 | $ 2,224 |
Additions for prior year tax returns | 194 | 585 | 951 |
Additions for current year tax positions | 87 | 8 | 241 |
Reductions for prior year tax positions | (1,128) | (461) | (1,156) |
Balance at end of the year | 1,545 | $ 2,392 | $ 2,260 |
Unrecognized tax benefits that would affect the effective tax rate | $ 1,500 |  |  |

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