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CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS’ EQUITY - USD ($) shares in Thousands, $ in Thousands | Total | Common Stock | Additional Paid-In Capital | Accumulated Other Comprehensive Income (Loss) | Retained Earnings | Treasury Stock
--- | --- | --- | --- | --- | --- | ---
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Treasury Stock (in shares) |  |  |  |  |  | 50,427
Shares at beginning of year (in shares) at Dec. 31, 2020 |  | 72,600 |  |  |  |
Beginning of period at Dec. 31, 2020 | $ 179,935 | $ 726 | $ 472,378 | $ (4,423) | $ 388,645 | $ (677,391)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Issuance for stock-based compensation and dividend equivalents, net of forfeitures (in shares) |  | 397 |  |  |  |
Employee stock purchase plan (in shares) | (15) |  |  |  |  | (15)
Dividends | $ (20,120) |  |  |  | (20,120) |
Defined benefit pension plan, no tax benefit | 3,103 |  |  | 3,103 |  |
Change in fair value of interest rate swaps, net of tax | 1,941 |  |  | 1,941 |  |
Repurchases of common stock (in shares) |  |  |  |  |  | 1,080
Shares at end of year (in shares) at Dec. 31, 2021 |  | 72,997 |  |  |  |
End of period at Dec. 31, 2021 | 188,406 | $ 730 | 488,036 | 621 | 442,596 | $ (743,577)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net income | 75,177 |  |  |  | 75,177 |
Employee stock purchase plan | 762 |  | 557 |  |  | 205
Treasury Stock, Value, Acquired, Cost Method | (66,391) |  |  |  |  | $ (66,391)
Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture | 0 | $ 4 | 1,102 |  | (1,106) |
APIC, Share-Based Payment Arrangement, Increase for Cost Recognition | $ 13,999 |  | 13,999 |  |  |
Treasury Stock (in shares) |  |  |  |  |  | 51,492
Issuance for stock-based compensation and dividend equivalents, net of forfeitures (in shares) |  | 245 |  |  |  |
Employee stock purchase plan (in shares) | (17) |  |  |  |  | (17)
Dividends | $ (24,027) |  |  |  | (24,027) |
Defined benefit pension plan, no tax benefit | 0 |  |  |  |  |
Change in fair value of interest rate swaps, net of tax | (615) |  |  | (615) |  |
Repurchases of common stock (in shares) |  |  |  |  |  | 1,269
Shares at end of year (in shares) at Dec. 31, 2022 |  | 73,242 |  |  |  |
End of period at Dec. 31, 2022 | 182,198 | $ 732 | 507,734 | 6 | 492,764 | $ (819,038)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net income | 75,431 |  |  |  | 75,431 |
Employee stock purchase plan | 1,054 |  | 809 |  |  | 245
Treasury Stock, Value, Acquired, Cost Method | (75,706) |  |  |  |  | $ (75,706)
Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture | 0 | $ 2 | 1,234 |  | (1,236) |
APIC, Share-Based Payment Arrangement, Increase for Cost Recognition | $ 17,655 |  | 17,655 |  |  |
Common stock, shares issued (in shares) | 73,242 |  |  |  |  |
Treasury Stock (in shares) | 52,744 |  |  |  |  | 52,744
Issuance for stock-based compensation and dividend equivalents, net of forfeitures (in shares) |  | 220 |  |  |  |
Employee stock purchase plan (in shares) | (18) |  |  |  |  | (18)
Dividends | $ (27,562) |  |  |  | (27,562) |
Defined benefit pension plan, no tax benefit | 0 |  |  |  |  |
Change in fair value of interest rate swaps, net of tax | 0 |  |  |  |  |
Repurchases of common stock (in shares) |  |  |  |  |  | 1,215
Stockholders' Equity, Other | (6) |  |  | (6) |  |
Shares at end of year (in shares) at Dec. 31, 2023 |  | 73,462 |  |  |  |
End of period at Dec. 31, 2023 | 159,080 | $ 734 | 527,288 | $ 0 | 525,222 | $ (894,164)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net income | 61,075 |  |  |  | 61,075 |
Employee stock purchase plan | 1,042 |  | 754 |  |  | 288
Treasury Stock, Value, Acquired, Cost Method | (75,414) |  |  |  |  | $ (75,414)
Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture | 0 | $ 2 | 1,053 |  | $ (1,055) |
APIC, Share-Based Payment Arrangement, Increase for Cost Recognition | $ 17,747 |  | $ 17,747 |  |  |
Common stock, shares issued (in shares) | 73,462 |  |  |  |  |
Treasury Stock (in shares) | 53,941 |  |  |  |  | 53,941

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