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Net Income Per Share (Tables) | 3 Months Ended
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Mar. 31, 2023
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] | The following shows a reconciliation of basic net earnings per share ("EPS") to diluted EPS:
| Three Months Ended March 31, |  |
(in thousands, except per share amounts) | 2023 |  | 2022 |  |  |  |
Net income available to common stockholders | $ | 87,954 |  |  | $ | 94,576 |  |  |  |  |
Basic weighted-average shares outstanding | 42,610 |  |  | 43,179 |  |  |  |  |
Dilutive effect of potential common stock equivalents — restricted stock units | 217 |  |  | 197 |  |  |  |  |
Diluted weighted-average shares outstanding | 42,827 |  |  | 43,376 |  |  |  |  |
Net earnings per common share: |  |  |  |  |  |  |
Basic | $ | 2.06 |  |  | $ | 2.19 |  |  |  |  |
Diluted | $ | 2.05 |  |  | $ | 2.18 |  |  |  |  |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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