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Incentive Plans (Tables) | 6 Months Ended
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Jun. 30, 2023
Share-Based Payment Arrangement [Abstract] |
Summary of Awards Granted | During the six months ended June 30, 2023, the Committee granted the following awards from the 2020 Long-Term Plan: 2020 Long-Term Incentive Plan
Type of Award |  | Number of Awards Granted |  | Grant Date |  | Grant Date Fair Value |  | Valuation Methodology
Performance Based RSUs 1 |  | 409,160 |  |  | January 31, 2023 |  | $ | 60.46 |  |  | Monte Carlo
Time Based RSUs 2 |  | 499,220 |  |  | January 31, 2023 |  | 43.27 |  |  | Average Stock Price
Cash Settled RSUs 3 |  | 123,230 |  |  | January 31, 2023 |  | 43.27 |  |  | Average Stock Price
1 Performance based RSUs are scheduled to vest over a three year performance period. 2 Time based RSUs are generally scheduled to vest over three years from the date of grant. 3 Cash settled RSUs are generally scheduled to vest over three years from the date of grant. During the six months ended June 30, 2023, the Committee granted the following awards to Non-Employee Directors: 2021 Stock Plan for Non-Employee Directors
Type of Award |  | Number of Awards Granted |  | Grant Date |  | Grant Date Fair Value |  | Valuation Methodology
Time Based RSUs 1 |  | 56,880 |  |  | February 1, 2023 |  | $ | 42.20 |  |  | Closing Stock Price
1 Non-employee directors time-based RSUs are scheduled to vest in February 2024.
Share-Based Plans, Amounts Recognized in the Financial Statements | Amounts recognized in the financial statements with respect to share-based plans are shown in the following table:
| Six Months Ended June 30,
(Thousands of dollars) | 2023 |  | 2022
Compensation charged against income before tax benefit | $ | 23,684 |  |  | $ | 34,016 |
Related income tax benefit recognized in income | 3,444 |  |  | 5,822 |

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- Definition Tabular disclosure of share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition Tabular disclosure of cost recognized for award under share-based payment arrangement by plan. Includes, but is not limited to, related tax benefit. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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