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Earnings Per Share (Tables) | 9 Months Ended
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Aug. 31, 2020
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,
|  | 2020 |  | 2019 |  | 2020 |  | 2019
Numerator: |  |  |  |  |  |  |  |
Net income |  | $ | 78,415 |  |  | $ | 68,136 |  |  | $ | 190,152 |  |  | $ | 145,608 |
Less: Distributed earnings allocated to nonvested restricted stock |  | (42 | ) |  | (48 | ) |  | (129 | ) |  | (76 | )
Less: Undistributed earnings allocated to nonvested restricted stock |  | (360 | ) |  | (365 | ) |  | (875 | ) |  | (825 | )
Numerator for basic earnings per share |  | 78,013 |  |  | 67,723 |  |  | 189,148 |  |  | 144,707 |
Effect of dilutive securities: |  |  |  |  |  |  |  |
Interest expense and amortization of debt issuance costs associated with convertible senior notes, net of taxes |  | — |  |  | — |  |  | — |  |  | 541 |
Add: Undistributed earnings allocated to nonvested restricted stock |  | 360 |  |  | 365 |  |  | 875 |  |  | 825 |
Less: Undistributed earnings reallocated to nonvested restricted stock |  | (346 | ) |  | (354 | ) |  | (843 | ) |  | (769 | )
Numerator for diluted earnings per share |  | $ | 78,027 |  |  | $ | 67,734 |  |  | $ | 189,180 |  |  | $ | 145,304 |
Denominator: |  |  |  |  |  |  |  |
Weighted average shares outstanding — basic |  | 90,535 |  |  | 88,262 |  |  | 90,292 |  |  | 87,630 |
Effect of dilutive securities: |  |  |  |  |  |  |  |
Share-based payments |  | 3,570 |  |  | 4,580 |  |  | 3,496 |  |  | 4,501 |
Convertible senior notes |  | — |  |  | — |  |  | — |  |  | 1,901 |
Weighted average shares outstanding — diluted |  | 94,105 |  |  | 92,842 |  |  | 93,788 |  |  | 94,032 |
Basic earnings per share |  | $ | .86 |  |  | $ | .77 |  |  | $ | 2.09 |  |  | $ | 1.65 |
Diluted earnings per share |  | $ | .83 |  |  | $ | .73 |  |  | $ | 2.02 |  |  | $ | 1.55 |

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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/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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