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Net Income Per Common Share (Tables) | 12 Months Ended
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Dec. 31, 2021
Earnings Per Share [Abstract] |
Reconciliation of Weighted Average Common Shares Outstanding | A reconciliation of weighted average common shares outstanding used to calculate basic and diluted net income per share follows:
| 2021 |  | 2020 |  | 2019
| (in thousands)
Weighted average common shares outstanding (basic) | 162,233 |  |  | 162,372 |  |  | 166,902 |
Impact of common stock equivalents | 1,074 |  |  | 718 |  |  | 890 |
Weighted average common shares outstanding (diluted) | 163,307 |  |  | 163,090 |  |  | 167,792 |

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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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