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Accumulated Other Comprehensive Loss (Details) $ in Thousands | 9 Months Ended
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Aug. 31, 2017 USD ($)
Foreign Currency Translation Adjustment [Member] |
Accumulated Other Comprehensive Income (Loss) [Roll Forward] |
Balance, December 1, 2016 | $ (28,425)
Other comprehensive loss before reclassifications, net of tax | 11,291
Balance, August 31, 2017 | (17,134)
Unrealized Gains (Losses) on Investments [Member] |
Accumulated Other Comprehensive Income (Loss) [Roll Forward] |
Balance, December 1, 2016 | (136)
Other comprehensive loss before reclassifications, net of tax | 105
Balance, August 31, 2017 | (31)
Accumulated Other Comprehensive Loss [Member] |
Accumulated Other Comprehensive Income (Loss) [Roll Forward] |
Balance, December 1, 2016 | (28,561)
Other comprehensive loss before reclassifications, net of tax | 11,396
Balance, August 31, 2017 | $ (17,165)

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- Definition Amount after tax, before reclassification adjustments of other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 55 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=66004921&loc=d3e1436-108581 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=66004124&loc=SL7669686-108580 + Details
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