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EQUITY, LONG-TERM INCENTIVE COMPENSATION PLANS AND NON-CONTROLLING INTEREST - Cash Dividends (Details) - USD ($) $ / shares in Units, $ in Thousands |  |  |  | 6 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
May 07, 2020 | Dec. 09, 2014 | Nov. 19, 2014 | Dec. 31, 2014 | Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2018
Dividends Payable |  |  |  |  |  |  |
Cash dividends declared (in dollars per share) |  |  |  |  | $ 3.30 | $ 3.00 | $ 2.52
Dividends payable |  |  |  |  | $ 5,978 | $ 7,340 | $ 9,571
Cash dividends paid |  |  |  |  | 523,396 | 470,009 | $ 397,863
Regular cash dividend |  |  |  |  |  |  |
Dividends Payable |  |  |  |  |  |  |
Cash dividends declared (in dollars per share) | $ 0.85 |  |  |  |  |  |
Regular cash dividend | Restricted stock unit, Performance-based and Service-based |  |  |  |  |  |  |
Dividends Payable |  |  |  |  |  |  |
Dividends payable |  |  |  |  | 8,300 | 7,300 |
Regular cash dividend | Additional paid-in capital |  |  |  |  |  |  |
Dividends Payable |  |  |  |  |  |  |
Payment of dividends |  |  |  |  | 522,400 | $ 469,400 |
Special cash dividend |  |  |  |  |  |  |
Dividends Payable |  |  |  |  |  |  |
Cash dividends declared (in dollars per share) |  |  | $ 16.50 |  |  |  |
Cash dividends paid per share (in dollars per share) |  | $ 16.50 |  |  |  |  |
Cash dividends paid |  |  |  | $ 2,760,000 |  |  |
Special cash dividend | Restricted stock unit, Performance-based and Service-based |  |  |  |  |  |  |
Dividends Payable |  |  |  |  |  |  |
Dividends payable |  |  |  | $ 43,000 |  |  |
Cash dividends paid |  |  |  |  | $ 2,900 |  |

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