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Pay vs Performance Disclosure | 12 Months Ended
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Dec. 31, 2023 USD ($) $ / shares | Dec. 31, 2022 USD ($) $ / shares | Dec. 31, 2021 USD ($) $ / shares | Dec. 31, 2020 USD ($) $ / shares
Pay vs Performance Disclosure |  |  |  |
Pay vs Performance Disclosure, Table |
Year | Summary Compensation Table Total for PEO (Joseph Zubretsky)(1) ($) | Compensation Actually Paid to PEO (Joseph Zubretsky)(1),(2),(3) ($) | Average Summary Compensation Table Total for Non-PEO NEOs(1) ($) | Average Compensation Actually Paid to Non-PEO NEOs(1),(2),(3) ($) |  | Value of Initial Fixed $100 Investment Based on:(4) |  | Net Income ($ Millions) | Adjusted Net Income per Diluted Share(5) ($) |
| TSR ($) | Peer Group TSR ($) |  |
(a) | (b) | (c) | (d) | (e) |  | (f) | (g) |  | (h) | (i) |
2023 | 21,491,723 |  | 25,202,450 |  | 4,707,296 |  | 2,881,779 |  |  | 266.28 |  | 155.73 |  |  | 1,091 |  | 20.88 |  |
2022 | 22,131,256 |  | 41,668,352 |  | 5,392,703 |  | 9,278,192 |  |  | 243.36 |  | 155.74 |  |  | 792 |  | 17.92 |  |
2021 | 19,961,698 |  | 75,905,547 |  | 4,196,221 |  | 10,545,861 |  |  | 234.42 |  | 141.70 |  |  | 659 |  | 13.54 |  |
2020 | 17,812,327 |  | 58,165,935 |  | 4,428,117 |  | 8,983,969 |  |  | 156.74 |  | 106.73 |  |  | 673 |  | 10.67 |  |
Company Selected Measure Name | Adjusted EPS |  |  |
Named Executive Officers, Footnote | Joseph Zubretsky was our PEO for each year presented. The individuals comprising the Non-PEO NEOs for each year presented are listed below.
2020 | 2021 | 2022 | 2023
Mark L. Keim | Mark L. Keim | Mark L. Keim | Mark L. Keim
James E. Woys | James E. Woys | James E. Woys | James E. Woys
Jeff D. Barlow | Jeff D. Barlow | Jeff D. Barlow | Jeff D. Barlow
Marc S. Russo | Marc S. Russo | Marc S. Russo | Maurice S. Hebert
Thomas L. Tran | Thomas L. Tran |  | Marc S. Russo
Peer Group Issuers, Footnote | The Peer Group TSR set forth in this table utilizes the peer companies (the “Compensation Peer Group”) used for compensation benchmarking purposes for the year 2023 (which was the same peer group for year 2022), which is listed in our Compensation Discussion & Analysis section of the proxy statement. The Peer Group TSR is weighted according to the respective peer companies’ stock market capitalization on December 31, 2019. The comparison assumes $100 was invested for the period starting December 31, 2019, through the end of the listed year in the Company and in the Compensation Peer Group, respectively. Historical stock performance is not necessarily indicative of future stock performance. |  |  |
PEO Total Compensation Amount | $ 21,491,723 | $ 22,131,256 | $ 19,961,698 | $ 17,812,327
PEO Actually Paid Compensation Amount | $ 25,202,450 | 41,668,352 | 75,905,547 | 58,165,935
Adjustment To PEO Compensation, Footnote |
Year | Summary Compensation Table Total for Joseph Zubretsky ($) | Exclusion of Change in Pension Value for Joseph Zubretsky ($) | Exclusion of Stock Awards for Joseph Zubretsky ($) | Inclusion of Equity Values for Joseph Zubretsky ($) | Compensation Actually Paid to Joseph Zubretsky ($) |
2023 | 21,491,723 |  | — |  | (15,500,092) |  | 19,210,819 |  | 25,202,450 |  |
The amounts in the Inclusion of Equity Values in the tables above are derived from the amounts set forth in the following tables:
Year | Year-End Fair Value of Equity Awards Granted During Year That Remained Unvested as of Last Day of Year for Joseph Zubretsky ($) | Change in Fair Value from Last Day of Prior Year to Last Day of Year of Unvested Equity Awards for Joseph Zubretsky ($) | Vesting-Date Fair Value of Equity Awards Granted During Year that Vested During Year for Joseph Zubretsky ($) | Change in Fair Value from Last Day of Prior Year to Vesting Date of Unvested Equity Awards that Vested During Year for Joseph Zubretsky ($) | Fair Value at Last Day of Prior Year of Equity Awards Forfeited During Year for Joseph Zubretsky ($) | Total - Inclusion of Equity Values for Joseph Zubretsky ($) |
2023 | 20,454,120 |  | 8,066,563 |  | — |  | (9,309,864) |  | — |  | 19,210,819 |  |
Non-PEO NEO Average Total Compensation Amount | $ 4,707,296 | 5,392,703 | 4,196,221 | 4,428,117
Non-PEO NEO Average Compensation Actually Paid Amount | $ 2,881,779 | 9,278,192 | 10,545,861 | 8,983,969
Adjustment to Non-PEO NEO Compensation Footnote |
Year | Summary Compensation Table Total for Non-PEO NEOs ($) | Average Exclusion of Change in Pension Value for Non-PEO NEOs ($) | Average Exclusion of Stock Awards for Non-PEO NEOs ($) | Average Inclusion of Equity Values for Non-PEO NEOs ($) | Average Compensation Actually Paid to Non-PEO NEOs ($) |
2023 | 4,707,296 |  | (36,594) |  | (2,829,997) |  | 1,041,074 |  | 2,881,779 |  |
Year | Average Year-End Fair Value of Equity Awards Granted During Year That Remained Unvested as of Last Day of Year for Non-PEO NEOs ($) | Average Change in Fair Value from Last Day of Prior Year to Last Day of Year of Unvested Equity Awards for Non-PEO NEOs ($) | Average Vesting-Date Fair Value of Equity Awards Granted During Year that Vested During Year for Non-PEO NEOs ($) | Average Change in Fair Value from Last Day of Prior Year to Vesting Date of Unvested Equity Awards that Vested During Year for Non-PEO NEOs ($) | Average Fair Value at Last Day of Prior Year of Equity Awards Forfeited During Year for Non-PEO NEOs ($) | Total - Average Inclusion of Equity Values for Non-PEO NEOs ($) |
2023 | 2,876,750 |  | 1,043,874 |  | — |  | (1,548,252) |  | (1,331,298) |  | 1,041,074 |  |
Compensation Actually Paid vs. Total Shareholder Return | The following chart sets forth the relationship between Compensation Actually Paid to our PEO, the average of Compensation Actually Paid to our other NEOs, and the Company’s cumulative TSR over the four most recently completed fiscal years. |  |  |
Compensation Actually Paid vs. Net Income | The following chart sets forth the relationship between Compensation Actually Paid to our PEO, the average of Compensation Actually Paid to our other NEOs, and our net income during the four most recently completed fiscal years. |  |  |
Compensation Actually Paid vs. Company Selected Measure | The following chart sets forth the relationship between Compensation Actually Paid to our PEO, the average of Compensation Actually Paid to our other NEOs, and our Adjusted EPS during the four most recently completed fiscal years. The equity compensation actually paid to the PEO and NEOs was significantly impacted by stock price appreciation related both to the Company’s financial results and to its forward P/E multiple from significant actual and expected revenue growth. |  |  |
Total Shareholder Return Vs Peer Group | The following chart compares our cumulative TSR over the four most recently completed fiscal years to that of the Compensation Peer Group over the same period. |  |  |
Tabular List, Table |
Performance Measures
Adjusted Net Income per Diluted Share
Total Shareholder Return Amount | $ 266.28 | 243.36 | 234.42 | 156.74
Peer Group Total Shareholder Return Amount | 155.73 | 155.74 | 141.70 | 106.73
Net Income (Loss) | $ 1,091,000,000 | $ 792,000,000 | $ 659,000,000 | $ 673,000,000
Company Selected Measure Amount | $ / shares | 20.88 | 17.92 | 13.54 | 10.67
PEO Name | Joseph Zubretsky |  |  |
Additional 402(v) Disclosure | The amounts shown for Compensation Actually Paid have been calculated in accordance with Item 402(v) of Regulation S-K and do not reflect compensation actually earned, realized, or received by the Company’s NEOs. These amounts reflect the Summary Compensation Table Total with certain adjustments as described in footnote 3 below. Compensation Actually Paid reflects the exclusions and inclusions of certain amounts for the PEO and the Non-PEO NEOs as set forth below. Equity values are calculated in accordance with FASB ASC Topic 718. Amounts in the Exclusion of Stock Awards column are the amounts from the Stock Awards column set forth in the Summary Compensation Table. |  |  |
Measure:: 1 |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Name | Adjusted Net Income per Diluted Share |  |  |
Non-GAAP Measure Description | We determined Adjusted EPS to be the most important financial performance measure used to link Company performance to Compensation Actually Paid to our PEO and Non-PEO NEOs in 2023. Adjusted EPS represents adjusted net income divided by weighted average common shares outstanding on a fully diluted basis. Adjusted net income represents GAAP net income recognizing adjustments, net of tax. Adjustments represent additions and deductions to GAAP net income which include the non-cash impact of amortization of acquired intangible assets, acquisition-related expenses, and the impact of certain expenses and other items that management believes are not indicative of longer-term business trends and operations. This performance measure may not have been the most important financial performance measure for years 2022, 2021 and 2020 and we may determine a different financial performance measure to be the most important financial performance measure in future years. |  |  |
PEO | Change In Pension Value [Member] |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | $ 0 |  |  |
PEO | Stock Awards Adjustments [Member] |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | (15,500,092) |  |  |
PEO | Equity Award Adjustments [Member] |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | 19,210,819 |  |  |
PEO | Equity Awards Granted During the Year, Unvested [Member] |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation Amount, Equity Awards | 20,454,120 |  |  |
PEO | Equity Awards Granted in Prior Years, Unvested [Member] |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation Amount, Equity Awards | 8,066,563 |  |  |
PEO | Equity Awards Granted During the Year, Vested [Member] |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation Amount, Equity Awards | 0 |  |  |
PEO | Equity Awards Granted in Prior Years, Vested [Member] |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation Amount, Equity Awards | (9,309,864) |  |  |
PEO | Equity Awards that Failed to Meet Vesting Conditions [Member] |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation Amount, Equity Awards | 0 |  |  |
Non-PEO NEO | Change In Pension Value [Member] |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | (36,594) |  |  |
Non-PEO NEO | Stock Awards Adjustments [Member] |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | (2,829,997) |  |  |
Non-PEO NEO | Equity Award Adjustments [Member] |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | 1,041,074 |  |  |
Non-PEO NEO | Equity Awards Granted During the Year, Unvested [Member] |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation Amount, Equity Awards | 2,876,750 |  |  |
Non-PEO NEO | Equity Awards Granted in Prior Years, Unvested [Member] |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation Amount, Equity Awards | 1,043,874 |  |  |
Non-PEO NEO | Equity Awards Granted During the Year, Vested [Member] |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation Amount, Equity Awards | 0 |  |  |
Non-PEO NEO | Equity Awards Granted in Prior Years, Vested [Member] |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation Amount, Equity Awards | (1,548,252) |  |  |
Non-PEO NEO | Equity Awards that Failed to Meet Vesting Conditions [Member] |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation Amount, Equity Awards | $ (1,331,298) |  |  |

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