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Common Stockholders' Equity (Tables) | 12 Months Ended
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Dec. 31, 2023
Equity [Abstract] |
Weighted Average Number of Common Shares Used In the Computation of Basic and Diluted Earnings per Share | The weighted average number of shares used in the computation of net income per share was as follows:
(In thousands) | 2023 |  | 2022 |  | 2021
Basic | 271,000 |  |  | 276,852 |  |  | 277,430 |
Diluted | 273,298 |  |  | 279,461 |  |  | 279,749 |
Schedule of Changes in Shares of Common Stock Outstanding | Changes in shares of common stock outstanding, net of treasury shares, are presented below. Shares of common stock issued and outstanding do not include shares related to unissued restricted stock units (including shares held in the grantor trust).
| 2023 |  | 2022 |  | 2021
Balance, beginning of year | 264,546,100 |  |  | 265,170,882 |  | 266,737,725
Shares issued | 706,333 |  |  | 745,612 |  |  | 1,062,086
Shares repurchased | (8,707,676) |  |  | (1,370,394) |  |  | (2,628,929)
Balance, end of year | 256,544,757 |  |  | 264,546,100 |  | 265,170,882

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