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Capital Stock Repurchase Plan Transactions (Tables) | 6 Months Ended
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Jun. 30, 2021
Capital Stock Repurchase Plan Transactions [Abstract] |
Schedule Of Repurchased Capital Stock |
|  | Three months ended June 30, |  | Six months ended June 30,
|  | 2021 |  | 2020 |  | 2021 |  | 2020
Total cost of repurchased shares (in thousands) |  | $ | 121,882 |  | $ | 21,914 |  | $ | 166,649 |  | $ | 122,148
Shares repurchased |  |  | 250,000 |  |  | 50,000 |  |  | 350,000 |  |  | 275,000
Weighted average price per share |  | $ | 487.52 |  | $ | 438.27 |  | $ | 476.14 |  | $ | 444.18

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