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Earnings Per Share (Basic and Diluted Earnings (Loss) Per Share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
May 31, 2018 | May 31, 2017 | May 31, 2018 | May 31, 2017
Debt Instrument [Line Items] |  |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | 1,600 | 3,600 |  | 3,600
Numerator: |  |  |  |
Net income (loss) | $ 57,308 | $ 31,782 | $ (13,947) | $ 46,041
Less: Distributed earnings allocated to nonvested restricted stock | (12) | (14) | 0 | (29)
Less: Undistributed earnings allocated to nonvested restricted stock | (310) | (200) | 0 | (285)
Numerator for basic earnings (loss) per share | 56,986 | 31,568 | (13,947) | 45,727
Interest expense and amortization of debt issuance costs associated with convertible senior notes, net of taxes | 796 | 664 | 0 | 1,327
Add: Undistributed earnings allocated to nonvested restricted stock | 310 | 200 | 0 | 285
Less: Undistributed earnings reallocated to nonvested restricted stock | (269) | (175) | 0 | (251)
Numerator for diluted earnings (loss) per share | $ 57,823 | $ 32,257 | $ (13,947) | $ 47,088
Denominator: |  |  |  |
Weighted average shares outstanding — basic (in shares) | 87,581 | 85,445 | 87,370 | 85,285
Effect of dilutive securities: Share-based payments (in shares) | 5,176 | 3,885 | 0 | 3,288
Effect of dilutive securities: Convertible senior notes (in shares) | 8,402 | 8,402 | 0 | 8,402
Weighted average shares outstanding — diluted (in shares) | 101,159 | 97,732 | 87,370 | 96,975
Basic earnings per share (in dollars per share) | $ 0.65 | $ 0.37 | $ (0.16) | $ 0.54
Diluted earnings per share (in dollars per share) | $ 0.57 | $ 0.33 | $ (0.16) | $ 0.49

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- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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- Definition The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. + 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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 55 -Paragraph 52 -URI http://asc.fasb.org/extlink&oid=96948231&loc=d3e4984-109258 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(19)) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=96947427&loc=d3e1252-109256 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(21)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(23)) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 + Details
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