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v3.22.1

CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands | Common stock | Additional Paid-in Capital | Retained Earnings | Accumulated Other Comprehensive Income (Loss) | Treasury stock | Total
--- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2020 | $ 3,193 | $ 4,537,982 | $ 6,432,074 | $ 3,034 | $ (5,815,423) | $ 5,160,860
Balance (in shares) at Dec. 31, 2020 | 638,662 |  |  |  | (110,565) |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |
Stock-based compensation | $ 0 | 17,949 | 0 | 0 | $ 0 | 17,949
Exercise of stock options | $ 3 | 6,758 | 0 | 0 | $ 0 | 6,761
Exercise of stock options (in shares) | 492 |  |  |  | 0 |
Unrealized gain, net on available-for-sale securities | $ 0 | 0 | 0 | 24 | $ 0 | 24
Repurchase of common stock | $ 0 | 0 | 0 | 0 | $ (13,419) | (13,419)
Repurchase of common stock (in shares) | 0 |  |  |  | (150) |
Foreign currency translation | $ 0 | 0 | 0 | (27,932) | $ 0 | (27,932)
Net income | 0 | 0 | 315,194 | 0 | 0 | 315,194
Balance at Mar. 31, 2021 | $ 3,196 | 4,562,689 | 6,747,268 | (24,874) | $ (5,828,842) | 5,459,437
Balance (in shares) at Mar. 31, 2021 | 639,154 |  |  |  | (110,715) |
Balance at Dec. 31, 2021 | $ 3,200 | 4,652,620 | 7,809,549 | (69,165) | $ (5,829,253) | 6,566,951
Balance (in shares) at Dec. 31, 2021 | 640,043 |  |  |  | (110,720) |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |
Stock-based compensation |  | 16,175 |  |  |  | 16,175
Exercise of stock options | $ 3 | 4,507 |  |  |  | $ 4,510
Exercise of stock options (in shares) | 485 |  |  |  |  | 114
Unrealized loss, net on available-for-sale securities |  |  |  | (4,059) |  | $ (4,059)
Repurchase of common stock |  |  |  |  | $ (12,187) | (12,187)
Repurchase of common stock (in shares) |  |  |  |  | (166) |
Foreign currency translation |  |  |  | 1,079 |  | 1,079
Net income |  |  | 294,203 |  |  | 294,203
Balance at Mar. 31, 2022 | $ 3,203 | $ 4,673,302 | $ 8,103,752 | $ (72,145) | $ (5,841,440) | $ 6,866,672
Balance (in shares) at Mar. 31, 2022 | 640,528 |  |  |  | (110,886) |

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