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Capital Stock Repurchase Plan Transactions (Tables) | 9 Months Ended
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Sep. 30, 2019
Capital Stock Repurchase Plan Transactions [Abstract] |
Schedule Of Capital Stock Repurchases |
|  | Three months ended September 30, |  | Nine months ended September 30,
|  | 2019 |  | 2018 |  | 2019 |  | 2018
Total cost of repurchased shares (in thousands) |  | $ | - |  | $ | 37,672 |  | $ | 71,926 |  | $ | 121,976
Shares repurchased |  |  | - |  |  | 120,622 |  |  | 219,009 |  |  | 430,622
Weighted average price per share |  | $ | - |  | $ | 312.31 |  | $ | 328.41 |  | $ | 283.26

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