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Earnings Per Share (Tables) | 12 Months Ended
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Nov. 30, 2017
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted | Basic and diluted earnings per share were calculated as follows (in thousands, except per share amounts):
| Years Ended November 30,
| 2017 |  | 2016 |  | 2015
Numerator: |  |  |  |  |
Net income | $ | 180,595 |  |  | $ | 105,615 |  |  | $ | 84,643 |
Less: Distributed earnings allocated to nonvested restricted stock | (56 | ) |  | (45 | ) |  | (33 | )
Less: Undistributed earnings allocated to nonvested restricted stock | (1,121 | ) |  | (508 | ) |  | (273 | )
Numerator for basic earnings per share | 179,418 |  |  | 105,062 |  |  | 84,337 |
Effect of dilutive securities: |  |  |  |  |
Interest expense and amortization of debt issuance costs associated with convertible senior notes, net of taxes | 2,654 |  |  | 2,667 |  |  | 2,667 |
Add: Undistributed earnings allocated to nonvested restricted stock | 1,121 |  |  | 508 |  |  | 273 |
Less: Undistributed earnings reallocated to nonvested restricted stock | (979 | ) |  | (453 | ) |  | (244 | )
Numerator for diluted earnings per share | $ | 182,214 |  |  | $ | 107,784 |  |  | $ | 87,033 |
Denominator: |  |  |  |  |
Weighted average shares outstanding — basic | 85,842 |  |  | 85,706 |  |  | 92,054 |
Effect of dilutive securities: |  |  |  |  |
Share-based payments | 4,072 |  |  | 2,170 |  |  | 2,401 |
Convertible senior notes | 8,402 |  |  | 8,402 |  |  | 8,402 |
Weighted average shares outstanding — diluted | 98,316 |  |  | 96,278 |  |  | 102,857 |
Basic earnings per share | $ | 2.09 |  |  | $ | 1.23 |  |  | $ | .92 |
Diluted earnings per share | $ | 1.85 |  |  | $ | 1.12 |  |  | $ | .85 |

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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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