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Consolidated Statements of Changes in Shareholders' Equity - USD ($) $ in Thousands | Total | Cumulative Effect, Period of Adoption, Adjustment | Common Stock | Additional Paid-In Capital | Retained Earnings/(Accumulated Deficit) | [1] | Retained Earnings/(Accumulated Deficit) Cumulative Effect, Period of Adoption, Adjustment | [1] | Treasury Stock | Accumulated Other Comprehensive (Loss) Income
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Beginning balance (in shares) at Jun. 30, 2018 |  |  |  | 84,997,000 |  |  |  |  |
Beginning balance at Jun. 30, 2018 |  | $ 187,129 |  | $ 850 | $ 134,048 | $ 129,472 |  | $ (77,241) | $ 0
Beginning balance (Accounting Standards Update 2016-09) at Jun. 30, 2018 |  |  | $ 353 |  |  |  | $ 353 |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |
Net income |  | 72,579 |  |  |  | 72,579 |  |  |
Stock options exercised (in shares) |  |  |  | 5,642,000 |  |  |  |  |
Stock options exercised |  | 4,300 |  | $ 56 | 4,244 |  |  |  |
Dividends paid | [2] | (1,958) |  |  |  | (1,958) |  |  |
Common stock repurchased (in shares) |  |  |  | (20,000) |  |  |  |  |
Common stock repurchased |  | (34) |  |  |  |  |  | (34) |
Share-based compensation expense |  | 86 |  |  | 86 |  |  |  |
Ending balance (in shares) at Jun. 30, 2019 |  |  |  | 90,619,000 |  |  |  |  |
Ending balance at Jun. 30, 2019 |  | 262,455 |  | $ 906 | 138,378 | 200,446 |  | (77,275) | 0
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |
Net income |  | 81,147 |  |  |  | 81,147 |  |  |
Stock options exercised (in shares) |  |  |  | 5,495,000 |  |  |  |  |
Stock options exercised |  | 5,506 |  | $ 56 | 5,450 |  |  |  |
Gain (loss) on cash flow hedge, net of tax |  | (1,295) |  |  |  |  |  |  | (1,295)
Amount reclassified into earnings, net tax |  | 41 |  |  |  |  |  |  | 41
Dividends paid | [3] | (207,341) |  |  |  | (207,341) |  |  |
Dividends paid on unexercised stock options |  | (9,221) |  |  | (9,221) |  |  |  |
Dividends paid on unexercised stock options |  | (58,438) |  |  | (58,438) |  |  |  |
Share-based compensation expense |  | 9,483 |  |  | 9,483 |  |  |  |
Issuance and conversion of preferred shares, net of transaction fees (in shares) |  |  |  | 51,571,000 |  |  |  |  |
Issuance and conversion of preferred shares, net of transaction fees |  | 130,047 |  | $ 516 | 129,531 |  |  |  |
Treasury stock retired (in shares) |  |  |  | (3,520,000) |  |  |  |  |
Treasury stock retired |  | 195 |  | $ 36 |  | 77,044 |  | 77,275 |
Proceeds from initial public offering, net of underwriters’ discounts and commissions and other offering expenses (in shares) |  |  |  | 18,026,000 |  |  |  |  |
Proceeds from initial public offering, net of underwriters’ discounts and commissions and other offering expenses |  | 333,110 |  | $ 180 | 332,930 |  |  |  |
Ending balance (in shares) at Jun. 30, 2020 |  |  |  | 162,191,000 |  |  |  |  |
Ending balance at Jun. 30, 2020 |  | 545,689 |  | $ 1,622 | 548,113 | (2,792) |  | 0 | (1,254)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |
Net income |  | $ 131,046 |  |  |  | 131,046 |  |  |
Stock options exercised (in shares) |  | 1,695,152 |  | 1,213,000 |  |  |  |  |
Stock options exercised |  | $ (9,461) |  | $ 12 | (9,473) |  |  |  |
Gain (loss) on cash flow hedge, net of tax |  | 941 |  |  |  |  |  |  | 941
Amount reclassified into earnings, net tax |  | 542 |  |  |  |  |  |  | 542
Issuance of common stock pursuant to employee stock purchase plan (in shares) |  |  |  | 106,000 |  |  |  |  |
Issuance of common stock pursuant to employee stock purchase plan and vesting of restricted stock unit awards |  | 986 |  | $ 1 | 985 |  |  |  |
Share-based compensation expense |  | 5,146 |  |  | 5,146 |  |  |  |
Ending balance (in shares) at Jun. 30, 2021 |  |  |  | 163,510,000 |  |  |  |  |
Ending balance at Jun. 30, 2021 |  | $ 674,889 |  | $ 1,635 | $ 544,771 | $ 128,254 |  | $ 0 | $ 229
[1] | As adjusted for the adoption of ASC 606 using the full retrospective method.
[2] | Dividends paid per share, including common shares and series A-D, were $0.12 for the year ended June 30, 2019.
[3] | Dividends paid for common stock and unexercised stock options were $1.96 per share and $15.66 per share for preferred series A-D during the year ended June 30, 2020. Refer to Note 12 for further details.

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