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Earnings Per Share (Tables) | 9 Months Ended
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Sep. 30, 2021
Earnings Per Share [Abstract] |
Components of Basic and Diluted Earnings Per Share | The components of basic and diluted earnings per share are as follows (in thousands, except share and per share data):
|  |  | Three Months Ended September 30, |  | Nine Months Ended September 30,
|  |  |  |  | 2021 |  | 2020 |  | 2021 |  | 2020
Numerator for basic and diluted net income per common share: |  |  |  |  |  |  |  |  |  |  |
Net income |  |  |  |  | $ | 42,569 |  |  | $ | 60,883 |  |  | $ | 136,209 |  |  | $ | 92,580 |
Net income available to participating securities (a) |  |  |  |  | (28) |  |  | (89) |  |  | (143) |  |  | (477) |
Net income available to the Company’s common shareholders |  |  |  |  | $ | 42,541 |  |  | $ | 60,794 |  |  | $ | 136,066 |  |  | $ | 92,103 |
Denominator: |  |  |  |  |  |  |  |  |  |  |
Weighted-average outstanding shares of common stock |  |  |  |  | 46,738,073 |  |  | 46,279,515 |  |  | 45,258,819 |  |  | 46,914,750 |
Dilutive effect of: |  |  |  |  |  |  |  |  |  |  |
Equity incentive plans |  |  |  |  | 332,532 |  |  | 29,557 |  |  | 272,178 |  |  | 23,211 |
Convertible debt (b) |  |  |  |  | 1,511,980 |  |  | — |  |  | 2,034,065 |  |  | 682,347 |
Common stock and common stock equivalents |  |  |  |  | 48,582,585 |  |  | 46,309,072 |  |  | 47,565,062 |  |  | 47,620,308 |
Net income per share: |  |  |  |  |  |  |  |  |  |  |
Basic |  |  |  |  | $ | 0.91 |  |  | $ | 1.31 |  |  | $ | 3.01 |  |  | $ | 1.96 |
Diluted |  |  |  |  | $ | 0.88 |  |  | $ | 1.31 |  |  | $ | 2.86 |  |  | $ | 1.93 |
(a)Represents unvested share-based payment awards that contain certain non-forfeitable rights to dividends or dividend equivalents (whether paid or unpaid). (b)Represents the incremental shares issuable upon conversion of the 3.25% Convertible Notes due June 15, 2029 (subsequently redeemed in full) and 1.75% Convertible Notes due November 1, 2026 by applying the treasury stock method when the average stock price exceeds the conversion price of the Convertible Notes (see Note 9 - Debt).

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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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