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Earnings Per Share (Tables) | 3 Months Ended
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Feb. 29, 2016
Earnings Per Share, Basic and Diluted [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):
| Three Months Ended
| February 29, 2016 |  | February 28, 2015
Numerator: |  |  |
Net income | $ | 13,127 |  |  | $ | 7,799 |
Less: Distributed earnings allocated to nonvested restricted stock | (10 | ) |  | (9 | )
Less: Undistributed earnings allocated to nonvested restricted stock | (50 | ) |  | (20 | )
Numerator for basic earnings per share | 13,067 |  |  | 7,770 |
Effect of dilutive securities: |  |  |
Interest expense and amortization of debt issuance costs associated with convertible senior notes, net of taxes | 667 |  |  | 667 |
Add: Undistributed earnings allocated to nonvested restricted stock | 50 |  |  | 20 |
Less: Undistributed earnings reallocated to nonvested restricted stock | (45 | ) |  | (18 | )
Numerator for diluted earnings per share | $ | 13,739 |  |  | $ | 8,439 |
| Three Months Ended
| February 29, 2016 |  | February 28, 2015
Denominator: |  |  |
Weighted average shares outstanding — basic | 89,239 |  |  | 91,954 |
Effect of dilutive securities: |  |  |
Share-based payments | 1,786 |  |  | 1,344 |
Convertible senior notes | 8,402 |  |  | 8,402 |
Weighted average shares outstanding — diluted | 99,427 |  |  | 101,700 |
Basic earnings per share | $ | .15 |  |  | $ | .08 |
Diluted earnings per share | $ | .14 |  |  | $ | .08 |

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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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