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Earnings Per Share (Tables) | 9 Months Ended
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Aug. 31, 2019
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 August 31, |  | Nine Months Ended August 31,
|  | 2019 |  | 2018 |  | 2019 |  | 2018
Numerator: |  |  |  |  |  |  |  |
Net income |  | $ | 68,136 |  |  | $ | 87,476 |  |  | $ | 145,608 |  |  | $ | 73,529 |
Less: Distributed earnings allocated to nonvested restricted stock |  | (48 | ) |  | (12 | ) |  | (76 | ) |  | (37 | )
Less: Undistributed earnings allocated to nonvested restricted stock |  | (365 | ) |  | (472 | ) |  | (825 | ) |  | (388 | )
Numerator for basic earnings per share |  | 67,723 |  |  | 86,992 |  |  | 144,707 |  |  | 73,104 |
|  | Three Months Ended August 31, |  | Nine Months Ended August 31,
|  | 2019 |  | 2018 |  | 2019 |  | 2018
Effect of dilutive securities: |  |  |  |  |  |  |  |
Interest expense and amortization of debt issuance costs associated with convertible senior notes, net of taxes |  | — |  |  | 796 |  |  | 541 |  |  | 2,389 |
Add: Undistributed earnings allocated to nonvested restricted stock |  | 365 |  |  | 472 |  |  | 825 |  |  | 388 |
Less: Undistributed earnings reallocated to nonvested restricted stock |  | (354 | ) |  | (416 | ) |  | (769 | ) |  | (335 | )
Numerator for diluted earnings per share |  | $ | 67,734 |  |  | $ | 87,844 |  |  | $ | 145,304 |  |  | $ | 75,546 |
Denominator: |  |  |  |  |  |  |  |
Weighted average shares outstanding — basic |  | 88,262 |  |  | 87,951 |  |  | 87,630 |  |  | 87,565 |
Effect of dilutive securities: |  |  |  |  |  |  |  |
Share-based payments |  | 4,580 |  |  | 4,719 |  |  | 4,501 |  |  | 5,246 |
Convertible senior notes |  | — |  |  | 8,402 |  |  | 1,901 |  |  | 8,402 |
Weighted average shares outstanding — diluted |  | 92,842 |  |  | 101,072 |  |  | 94,032 |  |  | 101,213 |
Basic earnings per share |  | $ | .77 |  |  | $ | .99 |  |  | $ | 1.65 |  |  | $ | .83 |
Diluted earnings per share |  | $ | .73 |  |  | $ | .87 |  |  | $ | 1.55 |  |  | $ | .75 |

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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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