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Intangible Assets and Goodwill (Schedule of Intangible Assets) (Details) - USD ($) $ in Thousands | Nov. 30, 2019 | Nov. 30, 2018
--- | --- | ---
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross Carrying Amount | $ 295,968 | $ 239,843 |
Accumulated Amortization | (196,576) | (180,924) |
Total | 99,392 | 58,919 | [1]
Purchased technology |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross Carrying Amount | 135,186 | 154,301 |
Accumulated Amortization | (105,967) | (110,959) |
Total | 29,219 | 43,342 |
Customer-related |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross Carrying Amount | 134,042 | 67,802 |
Accumulated Amortization | (74,175) | (56,589) |
Total | 59,867 | 11,213 |
Trademarks and trade names |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross Carrying Amount | 24,740 | 17,740 |
Accumulated Amortization | (16,043) | (13,376) |
Total | 8,697 | 4,364 |
Non-compete agreement |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross Carrying Amount | 2,000 | 0 |
Accumulated Amortization | (391) | 0 |
Total | $ 1,609 | $ 0 |
[1] | The Company adopted the accounting standard related to revenue recognition ("ASC 606") effective December 1, 2018 using the full retrospective method. See Note 1. Nature of Business and Summary of Significant Accounting Policies for further information.

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