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Shareholders' Equity Share repurchase (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions |  |  | 3 Months Ended
--- | --- | --- | ---
Apr. 30, 2020 | Jan. 23, 2020 | Mar. 31, 2020
Class of Stock [Line Items] |  |  |
Stock Repurchase Program, Authorized Amount |  |  | $ 100.0
Common Stock, Dividends, Per Share, Declared |  | $ 0.28 |
Treasury Stock, Shares, Acquired |  |  | 731
Treasury Stock Acquired, Average Cost Per Share |  |  | $ 27.36
Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased |  |  | 717
Subsequent Event [Member] |  |  |
Class of Stock [Line Items] |  |  |
Common Stock, Dividends, Per Share, Declared | $ 0.28 |  |

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