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STOCKHOLDERS' EQUITY (Details) - USD ($) $ / shares in Units, $ in Millions | Jun. 30, 2021 | Jun. 14, 2021 | Dec. 31, 2020
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Stockholders' Equity Note [Abstract] |  |  |
Unsettled common stock repurchases liability |  |  | $ 2.5
Dividends per share (in dollars per share) |  | $ 3.00 |
Dividends payable | $ 699.8 | $ 699.8 | $ 0.0

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