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SHAREHOLDERS' EQUITY (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions | 3 Months Ended | 6 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Jun. 30, 2019 | Mar. 31, 2019 | Jun. 30, 2019 | Apr. 24, 2019 | Feb. 19, 2019 | Nov. 26, 2018 | Oct. 18, 2018
Class of Stock [Line Items] |  |  |  |  |  |  |
Stock Repurchase Program, Authorized Amount |  |  |  | $ 100.0 |  | $ 200.0 |
Stock Repurchased During Period, Shares | 12.9 |  | 24.4 |  |  |  |
Common Share Repurchases, Value | $ 128.6 | $ 124.3 | $ 252.9 |  |  |  |
Stock Repurchase Program, Remaining Authorized Repurchase Amount | 0.2 |  | 0.2 |  |  |  |
Dividends Payable | $ 17.1 |  | $ 17.1 |  |  |  |
Common Stock [Member] |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |
Dividends payable, per share |  |  |  |  | $ 0.06 |  | $ 0.05

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