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Stock-Based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2022
Share-Based Payment Arrangement [Abstract] |
Summary of Share-Based Payment Arrangement, Activity | A summary of the activity and related information follows:
|  | Stock Options |  | Restricted Stock Awards |  | Performance Stock Awards
(Shares in thousands) |  | Shares |  | Weighted Average Exercise Price |  | Shares |  | Weighted Average Grant Date Fair Value |  | Shares |  | Weighted Average Grant Date Fair Value
Beginning of period |  | 615 |  |  | $ | 28.42 |  |  | 577 |  |  | $ | 32.40 |  |  | $ | 624 |  |  | $ | 33.46 |
Granted |  | — |  |  | N/A |  | 66 |  |  | 63.80 |  |  | 287 |  |  | 65.48 |
Exercised/Released |  | (170) |  |  | 26.31 |  |  | (150) |  |  | 32.49 |  |  | (49) |  |  | 34.26 |
Forfeited |  | (3) |  |  | 32.28 |  |  | (2) |  |  | 38.07 |  |  | (1) |  |  | 29.61 |
End of period |  | 442 |  |  | $ | 29.20 |  |  | 491 |  |  | $ | 36.56 |  |  | 861 |  |  | $ | 44.07 |
Weighted Average Assumptions Used in Calculating Fair Value of Stock Options | The weighted average of key assumptions used in determining the fair value of options granted and a discussion of the methodology used to develop each assumption are as follows:
|  | 2022 |  | 2021 |  | 2020
Fair value of stock options on grant date |  | N/A |  | $ | 15.6 |  | $ | 6.81
Expected term |  | N/A |  | 7.9 years |  | 7.9 years
Expected price volatility |  | N/A |  | 33.6 | % |  | 31.9 | %
Risk-free interest rate |  | N/A |  | 1.3 | % |  | 0.6 | %
Dividend yield |  | N/A |  | 1.1 | % |  | 1.7 | %

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- Definition Tabular disclosure of activity for award under share-based payment arrangement. Includes, but is not limited to, outstanding award at beginning and end of year, granted, exercised, forfeited, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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