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Accumulated Other Comprehensive Loss (Tables) | 6 Months Ended
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Mar. 31, 2019
Stockholders Equity Note [Abstract] |
Accumulated Other Comprehensive Loss | Accumulated other comprehensive loss consisted of the following (in thousands):
|  | Unrealized Gain (Loss) on Available-for-Sale Securities |  |  | Foreign Currency Translation Adjustments |  |  | Totals |
Balance at October 1, 2018 |  | $ | (82 | ) |  | $ | (15,537 | ) |  | $ | (15,619 | )
Changes in unrealized gain on available-for-sale securities, net of tax |  |  | 83 |  |  |  | — |  |  |  | 83 |
Foreign currency translation adjustments |  |  | — |  |  |  | 20 |  |  |  | 20 |
Balance at March 31, 2019 |  | $ | 1 |  |  | $ | (15,517 | ) |  | $ | (15,516 | )

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