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Weighted Average Shares (Tables) | 12 Months Ended
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Dec. 31, 2021
Earnings Per Share [Abstract] |
Calculation of Weighted Average Shares | Weighted-average shares were calculated as follows (in thousands):
| Year Ended December 31,
| 2021 |  | 2020 |  | 2019
Basic weighted-average common shares outstanding | 176,463 |  |  | 173,489 |  |  | 171,194 |
Effect of dilutive stock awards | 3,453 |  |  | 3,103 |  |  | 4,075 |
Diluted weighted-average common and common-equivalent shares outstanding | 179,916 |  |  | 176,592 |  |  | 175,269 |

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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 http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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