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CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands | Total | Common Stock | Additional Paid-in Capital | Accumulated Other Comprehensive Loss | Treasury Stock | Retained Earnings
--- | --- | --- | --- | --- | --- | ---
Beginning balance (in shares) at Dec. 31, 2023 |  | 151,232,908 |  |  |  |
Beginning balance at Dec. 31, 2023 | $ 4,597,155 | $ 1,512 | $ 2,222,993 | $ (95,330) | $ 0 | $ 2,467,980
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Issuance of common stock upon the vesting of restricted and deferred stock units, net of shares withheld for employee taxes (in shares) |  | 2,808,447 |  |  |  |
Issuance of common stock upon the vesting of restricted and deferred stock units, net of shares withheld for employee taxes | (142,058) | $ 28 | (142,086) |  |  |
Issuance of common stock under employee stock purchase plan (in shares) |  | 369,920 |  |  |  |
Issuance of common stock under employee stock purchase plan | 28,369 | $ 4 | 28,365 |  |  |
Stock-based compensation | 258,953 |  | 258,953 |  |  |
Repurchases of common stock (in shares) |  | (2,498,068) |  |  |  |
Repurchases of common stock | (253,258) |  |  |  | (253,258) |
Net income | 307,106 |  |  |  |  | 307,106
Foreign currency translation adjustment | (35,345) |  |  | (35,345) |  |
Change in unrealized gain (loss) on investments, net of tax | (6,246) |  |  | (6,246) |  |
Ending balance (in shares) at Jun. 30, 2024 |  | 151,913,207 |  |  |  |
Ending balance at Jun. 30, 2024 | 4,754,676 | $ 1,544 | 2,368,225 | (136,921) | (253,258) | 2,775,086
Beginning balance (in shares) at Mar. 31, 2024 |  | 152,411,363 |  |  |  |
Beginning balance at Mar. 31, 2024 | 4,633,767 | $ 1,536 | 2,230,875 | (116,593) | (125,449) | 2,643,398
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Issuance of common stock upon the vesting of restricted and deferred stock units, net of shares withheld for employee taxes (in shares) |  | 487,380 |  |  |  |
Issuance of common stock upon the vesting of restricted and deferred stock units, net of shares withheld for employee taxes | (15,062) | $ 4 | (15,066) |  |  |
Issuance of common stock under employee stock purchase plan (in shares) |  | 369,920 |  |  |  |
Issuance of common stock under employee stock purchase plan | 28,369 | $ 4 | 28,365 |  |  |
Stock-based compensation | 124,051 |  | 124,051 |  |  |
Repurchases of common stock (in shares) |  | (1,355,456) |  |  |  |
Repurchases of common stock | (127,809) |  |  |  | (127,809) |
Net income | 131,688 |  |  |  |  | 131,688
Foreign currency translation adjustment | (18,898) |  |  | (18,898) |  |
Change in unrealized gain (loss) on investments, net of tax | (1,430) |  |  | (1,430) |  |
Ending balance (in shares) at Jun. 30, 2024 |  | 151,913,207 |  |  |  |
Ending balance at Jun. 30, 2024 | $ 4,754,676 | $ 1,544 | 2,368,225 | (136,921) | (253,258) | 2,775,086
Beginning balance (in shares) at Dec. 31, 2024 | 150,025,096 | 150,025,096 |  |  |  |
Beginning balance at Dec. 31, 2024 | $ 4,878,357 | $ 1,556 | 2,618,384 | (155,993) | (558,488) | 2,972,898
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Issuance of common stock upon the vesting of restricted and deferred stock units, net of shares withheld for employee taxes (in shares) |  | 2,527,444 |  |  |  |
Issuance of common stock upon the vesting of restricted and deferred stock units, net of shares withheld for employee taxes | (98,487) | $ 26 | (98,513) |  |  |
Issuance of common stock under employee stock purchase plan (in shares) |  | 458,208 |  |  |  |
Issuance of common stock under employee stock purchase plan | 29,572 | $ 4 | 29,568 |  |  |
Stock-based compensation | 272,992 |  | 272,992 |  |  |
Issuance of warrants related to convertible senior notes | 330,855 |  | 330,855 |  |  |
Purchase of note hedge related to convertible senior notes, net of deferred taxes of $149,509 | (456,311) |  | (456,311) |  |  |
Repurchases of common stock (in shares) |  | (10,028,703) |  |  |  |
Repurchases of common stock | (805,335) |  |  |  | (805,335) |
Re-issuance of treasury stock for 401(k) employer match (in shares) |  | 217,866 |  |  |  |
Re-issuance of treasury stock for 401(k) employer match | 20,500 |  |  |  | 20,500 |
Net income | 226,789 |  |  |  |  | 226,789
Foreign currency translation adjustment | 68,487 |  |  | 68,487 |  |
Change in unrealized gain (loss) on investments, net of tax | $ 89 |  |  | 89 |  |
Ending balance (in shares) at Jun. 30, 2025 | 143,199,911 | 143,199,911 |  |  |  |
Ending balance at Jun. 30, 2025 | $ 4,467,508 | $ 1,586 | 2,696,975 | (87,417) | (1,343,323) | 3,199,687
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Purchase of note hedges, net of tax | 149,509 |  |  |  |  |
Beginning balance (in shares) at Mar. 31, 2025 |  | 146,086,802 |  |  |  |
Beginning balance at Mar. 31, 2025 | 4,584,561 | $ 1,578 | 2,673,892 | (135,385) | (1,051,593) | 3,096,069
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Issuance of common stock upon the vesting of restricted and deferred stock units, net of shares withheld for employee taxes (in shares) |  | 408,226 |  |  |  |
Issuance of common stock upon the vesting of restricted and deferred stock units, net of shares withheld for employee taxes | (12,781) | $ 4 | (12,785) |  |  |
Issuance of common stock under employee stock purchase plan (in shares) |  | 458,208 |  |  |  |
Issuance of common stock under employee stock purchase plan | 29,572 | $ 4 | 29,568 |  |  |
Stock-based compensation | 131,756 |  | 131,756 |  |  |
Issuance of warrants related to convertible senior notes | 330,855 |  | 330,855 |  |  |
Purchase of note hedge related to convertible senior notes, net of deferred taxes of $149,509 | (456,311) |  | (456,311) |  |  |
Repurchases of common stock (in shares) |  | (3,870,468) |  |  |  |
Repurchases of common stock | (302,244) |  |  |  | (302,244) |
Re-issuance of treasury stock for 401(k) employer match (in shares) |  | 117,143 |  |  |  |
Re-issuance of treasury stock for 401(k) employer match | 10,514 |  |  |  | 10,514 |
Net income | 103,618 |  |  |  |  | 103,618
Foreign currency translation adjustment | 46,703 |  |  | 46,703 |  |
Change in unrealized gain (loss) on investments, net of tax | $ 1,265 |  |  | 1,265 |  |
Ending balance (in shares) at Jun. 30, 2025 | 143,199,911 | 143,199,911 |  |  |  |
Ending balance at Jun. 30, 2025 | $ 4,467,508 | $ 1,586 | $ 2,696,975 | $ (87,417) | $ (1,343,323) | $ 3,199,687
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Purchase of note hedges, net of tax | $ 149,509 |  |  |  |  |

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