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Earnings Per Share (Tables) | 9 Months Ended
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Sep. 30, 2022
Earnings Per Share [Abstract] |
Computation of Basic and Diluted Earnings Per Share | The following are the common share amounts used to compute the basic and diluted earnings per share for each period:
|  | Three Months Ended |  |  | Nine Months Ended |
|  | September 30, 2022 |  |  | September 30, 2021 |  |  | September 30, 2022 |  |  | September 30, 2021 |
|  | (in millions) |
Weighted-average shares used in basic computations |  |  | 98.0 |  |  |  | 105.5 |  |  |  | 98.7 |  |  |  | 107.3 |
Dilutive effect of exercise of equity grants outstanding |  |  | 0.8 |  |  |  | 2.3 |  |  |  | 1.0 |  |  |  | 2.5 |
Weighted-average shares used in diluted computations |  |  | 98.8 |  |  |  | 107.8 |  |  |  | 99.7 |  |  |  | 109.8 |

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- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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