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Capital Stock Repurchase Plan Transactions (Tables) | 6 Months Ended
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Jun. 30, 2019
Capital Stock Repurchase Plan Transactions [Abstract] |
Schedule Of Capital Stock Repurchases |
|  | Three months ended June 30, |  | Six months ended June 30,
|  | 2019 |  | 2018 |  | 2019 |  | 2018
Total cost of repurchased shares (in thousands) |  | $ | 22,676 |  | $ | 3,179 |  | $ | 71,926 |  | $ | 84,304
Shares repurchased |  |  | 69,009 |  |  | 10,000 |  |  | 219,009 |  |  | 310,000
Weighted average price per share |  | $ | 328.59 |  | $ | 317.86 |  | $ | 328.41 |  | $ | 271.95

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