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Net Earnings Per Share (Tables) | 9 Months Ended
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Sep. 30, 2019
Net Earnings Per Share |
Schedule of reconciliation of basic and diluted net income per share | The following table sets forth the reconciliation of basic and diluted earnings per share (in thousands, except share and per share amounts): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​ | Nine Months Ended | ​
​ | ​ | September 30, | ​ | September 30, | ​
​ |  | 2019 |  | 2018 |  | 2019 |  | 2018 | ​
Basic earnings per share: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Numerator | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net income | ​ | $ | 155,787 | ​ | $ | 146,574 | ​ | $ | 422,186 | ​ | $ | 372,436 | ​
Preferred stock dividends | ​ | ​ | (3,844) | ​ | ​ | — | ​ | ​ | (8,115) | ​ | ​ | — | ​
Net income available to common stockholders | ​ | $ | 151,943 | ​ | $ | 146,574 | ​ | $ | 414,071 | ​ | $ | 372,436 | ​
Denominator | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Weighted-average common shares outstanding | ​ |  | 112,133,556 | ​ |  | 104,066,785 | ​ |  | 111,511,960 | ​ |  | 103,940,723 | ​
Basic earnings per share | ​ | $ | 1.36 | ​ | $ | 1.41 | ​ | $ | 3.71 | ​ | $ | 3.58 | ​
Diluted earnings per share: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Numerator | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net income | ​ | $ | 155,787 | ​ | $ | 146,574 | ​ | $ | 422,186 | ​ | $ | 372,436 | ​
Preferred stock dividends | ​ | ​ | (3,844) | ​ | ​ | — | ​ | ​ | (8,115) | ​ | ​ | — | ​
Assumed conversion of convertible senior notes | ​ |  | — | ​ |  | 1,823 | ​ |  | — | ​ |  | 5,309 | ​
Net income available to common stockholders plus assumed conversions | ​ | $ | 151,943 | ​ | $ | 148,397 | ​ | $ | 414,071 | ​ | $ | 377,745 | ​
Denominator | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Number of shares used in basic computation | ​ |  | 112,133,556 | ​ |  | 104,066,785 | ​ |  | 111,511,960 | ​ |  | 103,940,723 | ​
Weighted-average effect of dilutive securities | ​ |  | 1,129,840 | ​ |  | 8,442,827 | ​ |  | 1,325,566 | ​ |  | 8,437,147 | ​
Number of shares used in per share computation | ​ |  | 113,263,396 | ​ |  | 112,509,612 | ​ |  | 112,837,526 | ​ |  | 112,377,870 | ​
Diluted earnings per share | ​ | $ | 1.34 | ​ | $ | 1.32 | ​ | $ | 3.67 | ​ | $ | 3.36 | ​

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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://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=6371337&loc=d3e3550-109257 + Details
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