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Equity Narratives (Details) - USD ($) $ / shares in Units, $ in Millions | 1 Months Ended | 6 Months Ended
--- | --- | ---
Jul. 26, 2019 | Jun. 30, 2019
Treasury Stock Acquired, Average Cost Per Share |  | $ 42.72
Treasury Stock, Value, Acquired, Par Value Method |  | $ 29.6
Treasury Stock, Shares, Acquired |  | 692,325
Stock Repurchase Program, Remaining Authorized Repurchase Amount |  | $ 165.7
Subsequent Event [Member] |  |
Treasury Stock Acquired, Average Cost Per Share | $ 46.78 |
Treasury Stock, Value, Acquired, Par Value Method | $ 6.7 |
Treasury Stock, Shares, Acquired | 142,492 |
Stock Repurchase Program, Remaining Authorized Repurchase Amount | $ 159.0 |

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