| Common Stock Activity |
Common stock activity is summarized as follows: | | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended June 30, 2024 | | Three Months Ended June 30, 2023 | | (In thousands) | Common
Stock | | Treasury Cost(a) | | Common
Stock | | Treasury Cost(a) | | Balance at beginning of period | $ | 315,241 | | | $ | (365,999) | | | $ | 287,009 | | | $ | (362,280) | | | Stock compensation expense | 5,042 | | | — | | | 6,759 | | | — | | | Restricted and performance stock awards | (348) | | | 348 | | | (190) | | | 190 | | | Stock options exercised | 47 | | | 27 | | | 354 | | | 184 | | | Treasury shares purchased for stock compensation programs | — | | | (992) | | | — | | | (184) | | | | | | | | | | | Employee stock purchase program | 574 | | | 60 | | | 432 | | | 65 | | | Share repurchase program | — | | | (10,000) | | | — | | | — | | | Balance at end of period | $ | 320,556 | | | $ | (376,556) | | | $ | 294,364 | | | $ | (362,025) | | (a)Excludes treasury cost related to preferred stock. |
| | | | | | | | | | | | | | | | | | | | | | | | | Six Months Ended June 30, 2024 | | Six Months Ended June 30, 2023 | | (In thousands) | Common
Stock | | Treasury Cost(a) | | Common
Stock | | Treasury Cost(a) | | Balance at beginning of period | $ | 312,324 | | | $ | (361,684) | | | $ | 281,980 | | | $ | (359,838) | | | Stock compensation expense | 9,229 | | | — | | | 13,029 | | | — | | | Restricted and performance stock awards | (1,783) | | | 1,783 | | | (1,434) | | | 1,434 | | | Stock options exercised | 212 | | | 114 | | | 357 | | | 185 | | | Treasury shares purchased for stock compensation programs | — | | | (6,829) | | | — | | | (3,871) | | | | | | | | | | | Employee stock purchase program | 574 | | | 60 | | | 432 | | | 65 | | | Share repurchase program | — | | | (10,000) | | | — | | | — | | | Balance at end of period | $ | 320,556 | | | $ | (376,556) | | | $ | 294,364 | | | $ | (362,025) | | (a)Excludes treasury cost related to preferred stock. |
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