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Consolidated Statements of Comprehensive (Loss) Income (Parenthetical) - USD ($) $ in Thousands | 12 Months Ended
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Nov. 30, 2016 | Nov. 30, 2015 | Nov. 30, 2014
Statement of Comprehensive Income [Abstract] |  |  |
Tax provision (benefit) included in accumulated unrealized gains on investments | $ (53) | $ (30) | $ 1,400

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- Definition Amount of tax expense (benefit) before reclassification adjustments of unrealized holding gain (loss) on available-for-sale securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=66004124&loc=d3e640-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (e,f) -URI http://asc.fasb.org/extlink&oid=66004124&loc=SL7669646-108580 + Details
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- References No definition available. + Details
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