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Stock-Based Compensation - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Stock Options |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Employee stock options granted during the period (in shares) | 244,000 | 353,000
Fair value per share (in dollars per share) | $ 173.78 | $ 128.89
Cash received from exercise of options | $ 39.3 | $ 24.6
Restricted Stock Awards |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Shares granted (in shares) | 337,000 | 219,000
Weighted-average grant date fair value (in dollars per share) | $ 557.15 | $ 428.20
Restricted stock awards vested during period (in shares) | 100,000 |
Weighted average grant date fair value per share (in dollars per share) | $ 437.34 |
Weighted average vest date fair value per share (in dollars per share) | $ 556.38 |
Employee Stock Purchase Plan |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Percentage of eligible earnings to purchase common stock through the employee stock purchase plan | 10.00% |
Discount on the average closing price for the employee stock purchase plan | 10.00% |
Shares of stock purchased during the period by participants in the employee stock purchase plan (in shares) | 12,000.000 | 12,000.000
Proceeds from issuance of shares under employee stock purchase plan | $ 5.8 | $ 4.7
Performance/market-based |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Shares granted (in shares) | 72,000.000 |
Vesting period | 3 years |
Performance/market-based | Maximum |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Award vesting rights, percentage | 200.00% |
Performance Shares |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Shares granted (in shares) | 120,000 |
Vesting period | 3 years |
Performance-based restricted stock awards (in shares) |  | 71,000.000
Performance Shares | Maximum |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Award vesting rights, percentage |  | 100.00%

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- Definition The weighted average fair value as of vest dates pertaining to a share-based award plan other than a stock option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares, other instruments, or cash in accordance with the terms of the arrangement. + References No definition available. + Details
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