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Intangible Assets and Goodwill (Schedule of Intangible Assets) (Details) - USD ($) $ in Thousands | Nov. 30, 2021 | Nov. 30, 2020
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Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 558,619 | $ 437,268
Accumulated Amortization | (271,434) | (224,521)
Total | 287,185 | 212,747
Purchased technology |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 212,700 | 173,486
Accumulated Amortization | (128,797) | (113,863)
Total | 83,903 | 59,623
Customer-related |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 306,308 | 231,342
Accumulated Amortization | (119,357) | (91,326)
Total | 186,951 | 140,016
Trademarks and trade names |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 37,611 | 30,440
Accumulated Amortization | (21,556) | (18,275)
Total | 16,055 | 12,165
Non-compete agreement |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 2,000 | 2,000
Accumulated Amortization | (1,724) | (1,057)
Total | $ 276 | $ 943

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