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Stock-Based Compensation (Tables) | 3 Months Ended
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Mar. 31, 2022
Share-based Payment Arrangement [Abstract] |
Stock-based compensation expense | The following table summarizes our stock-based compensation expense for the three months ended March 31, 2022 and 2021.
|  |  |  | Three Months Ended
|  |  |  | March 31,
(in millions) |  |  |  |  |  | 2022 |  | 2021
Stock-based compensation expenses (restricted share units (“RSUs”) and performance-based RSUs (“PRSUs”)), before income taxes |  |  |  |  |  | $ | 7.9 |  |  | $ | 6.0 |
Tax benefit |  |  |  |  |  | (0.4) |  |  | (0.3) |
Stock-based compensation expense, net of tax |  |  |  |  |  | $ | 7.5 |  |  | $ | 5.7 |
Activity of RSUs and PRSUs Issued to Our Employees | The following table summarizes activity for the three months ended March 31, 2022, of RSUs and PRSUs issued to our employees.
|  | Activity |  | Weighted Average Per Share Grant Date Fair Market Value
Non-vested as of December 31, 2021 |  | 2,447,246 |  |  | $ | 23.18 |
Granted: |  |  |  |
RSUs |  | 908,598 |  |  | 25.24 |
PRSUs |  | 482,618 |  |  | 24.42 |
Vested: |  |  |  |
RSUs |  | (710,912) |  |  | 24.13 |
PRSUs |  | (293,773) |  |  | 21.65 |
Forfeitures: |  |  |  |
RSUs |  | (5,925) |  |  | 23.62 |
PRSUs |  | (3,061) |  |  | 26.60 |
Non-vested as of March 31, 2022 |  | 2,824,791 |  |  | 23.89 |

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the change in restricted stock units (RSUs). + References No definition available. + Details
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