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Summary of Significant Accounting Policies - ASU (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2017 | Sep. 30, 2018
Summary of Significant Accounting Policies |  |  |  |
Cash flows from operations | $ 141,606 | $ 105,446 | $ 88,728 |
Cash flows from financing activities | (28,989) | (52,720) | $ (14,644) |
Retained earnings | 22,447 | (13,432) |  |
Lease liability | 1,779 | 2,758 |  |
ASU 2016-15 |  |  |  |
Summary of Significant Accounting Policies |  |  |  |
Cash flows from operations |  | (1,800) |  |
Cash flows from financing activities |  | $ 1,800 |  |
ASU 2016-02 | Scenario Forecast Adjustment | Minimum |  |  |  |
Summary of Significant Accounting Policies |  |  |  |
ROU asset | 18,000 |  |  |
ASU 2016-02 | Scenario Forecast Adjustment | Maximum |  |  |  |
Summary of Significant Accounting Policies |  |  |  |
Lease liability | 23,000 |  |  |
Adjustment due to ASC 606 |  |  |  |
Summary of Significant Accounting Policies |  |  |  |
Retained earnings | $ 60 |  |  |
Adjustment due to ASC 606 | ASU 2014-09 |  |  |  |
Summary of Significant Accounting Policies |  |  |  |
Retained earnings |  |  |  | $ 1,300

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