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STOCKHOLDERS' EQUITY - Summary of Changes in Shareholders' Equity (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Jun. 30, 2023 | Mar. 31, 2023 | Sep. 30, 2022 | Jun. 30, 2022 | Mar. 31, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Beginning balance (in shares) |  |  | 36,571,393 |  |  |  | 36,571,393 |
Beginning balance | $ 4,248,295 | $ 4,067,210 | $ 3,949,611 | $ 3,412,469 | $ 3,168,315 | $ 3,044,389 | $ 3,949,611 | $ 3,044,389
Net earnings | 221,760 | 186,836 | 131,301 | 262,489 | 250,084 | 217,254 | $ 539,897 | 729,827
Stock-based compensation expense | 6,156 | 4,176 | 6,225 | 6,852 | 4,070 | 5,975 |  |
Issuance of stock | 0 |  | 0 | 0 |  | 0 |  |
Dividends | (9,841) | (9,927) | (9,927) |  |  |  |  |
Share repurchases | $ (45,328) |  | (10,000) |  | (10,000) | (99,303) |  |
Ending balance (in shares) | 36,449,906 |  |  |  |  |  | 36,449,906 |
Ending balance | $ 4,421,042 | $ 4,248,295 | $ 4,067,210 | $ 3,681,810 | $ 3,412,469 | $ 3,168,315 | $ 4,421,042 | $ 3,681,810
Common Stock [Member] |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Beginning balance (in shares) | 36,765,000 | 36,765,000 | 36,571,000 | 36,567,000 | 36,695,000 | 37,341,000 | 36,571,000 | 37,341,000
Beginning balance | $ 368 | $ 368 | $ 366 | $ 366 | $ 367 | $ 373 | $ 366 | $ 373
Issuance of stock (in shares) | 4,000 |  | 287,000 | 4,000 |  | 392,000 |  |
Issuance of stock |  |  | $ 3 | $ 0 |  | $ 4 |  |
Share repurchases (in shares) | (319,000) |  | (93,000) |  | (128,000) | (1,038,000) |  |
Share repurchases | $ (4) |  | $ (1) |  | $ (1) | $ (10) |  |
Ending balance (in shares) | 36,450,000 | 36,765,000 | 36,765,000 | 36,571,000 | 36,567,000 | 36,695,000 | 36,450,000 | 36,571,000
Ending balance | $ 364 | $ 368 | $ 368 | $ 366 | $ 366 | $ 367 | $ 364 | $ 366
Additional Paid-in Capital [Member] |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Beginning balance | 328,277 | 324,101 | 327,878 | 315,590 | 321,519 | 414,841 | 327,878 | 414,841
Stock-based compensation expense | 6,156 | 4,176 | 6,225 | 6,852 | 4,070 | 5,975 |  |
Issuance of stock |  |  | (3) | 0 |  | (4) |  |
Share repurchases | (45,324) |  | (9,999) |  | (9,999) | (99,293) |  |
Ending balance | 289,109 | 328,277 | 324,101 | 322,442 | 315,590 | 321,519 | 289,109 | 322,442
Retained Earnings [Member] |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Beginning balance | 3,919,650 | 3,742,741 | 3,621,367 | 3,096,513 | 2,846,429 | 2,629,175 | 3,621,367 | 2,629,175
Net earnings | 221,760 | 186,836 | 131,301 | 262,489 | 250,084 | 217,254 |  |
Ending balance | $ 4,131,569 | $ 3,919,650 | $ 3,742,741 | $ 3,359,002 | $ 3,096,513 | $ 2,846,429 | $ 4,131,569 | $ 3,359,002

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