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Earnings per Share (Tables) | 6 Months Ended
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Jun. 30, 2017
Earnings Per Share [Abstract] |
Calculation of earnings (loss) per share | The following table reconciles the numerators and denominators used to calculate basic and diluted EPS.
|  | Three Months Ended June 30, |  | Six Months Ended June 30,
(In thousands, except per share data) |  | 2017 |  | 2016 |  | 2017 |  | 2016
Basic earnings per share: |  |  |  |  |  |  |  |
Net income |  | $ | 118,622 |  |  | $ | 109,221 |  |  | $ | 208,420 |  |  | $ | 178,412 |
Weighted average common shares outstanding - basic |  | 366,918 |  |  | 340,678 |  |  | 354,035 |  |  | 340,411 |
Basic earnings per share |  | $ | 0.32 |  |  | $ | 0.32 |  |  | $ | 0.59 |  |  | $ | 0.52 |
Diluted earnings per share: |  |  |  |  |  |  |  |
Net income |  | $ | 118,622 |  |  | $ | 109,221 |  |  | $ | 208,420 |  |  | $ | 178,412 |
Interest expense, net of tax (1): |  |  |  |  |  |  |  |
2% Notes |  | 84 |  |  | 1,982 |  |  | 907 |  |  | 3,964 |
5% Notes |  | 427 |  |  | 1,728 |  |  | 1,709 |  |  | 4,406 |
9% Debentures |  | 3,757 |  |  | 3,757 |  |  | 7,514 |  |  | 8,379 |
Diluted income available to common shareholders |  | $ | 122,890 |  |  | $ | 116,688 |  |  | $ | 218,550 |  |  | $ | 195,161 |
Weighted average common shares outstanding - basic |  | 366,918 |  |  | 340,678 |  |  | 354,035 |  |  | 340,411 |
Effect of dilutive securities: |  |  |  |  |  |  |  |
Unvested RSUs |  | 1,140 |  |  | 1,209 |  |  | 1,314 |  |  | 1,444 |
2% Notes |  | 3,827 |  |  | 71,917 |  |  | 16,771 |  |  | 71,917 |
5% Notes |  | 3,557 |  |  | 13,307 |  |  | 7,154 |  |  | 15,449 |
9% Debentures |  | 19,028 |  |  | 19,028 |  |  | 19,028 |  |  | 21,133 |
Weighted average common shares outstanding - diluted |  | 394,470 |  |  | 446,139 |  |  | 398,302 |  |  | 450,354 |
Diluted earnings per share | $ | 0.31 |  |  | $ | 0.26 |  |  | $ | 0.55 |  |  | $ | 0.43 |
(1) | Tax effected at a rate of 35%.

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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/2003/role/presentationRef -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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