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Intangible Assets and Goodwill
 3 Months Ended
Feb. 28, 2022
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangible Assets and Goodwill Intangible Assets and Goodwill
Intangible Assets

Intangible assets are comprised of the following significant classes (in thousands):
 
February 28, 2022November 30, 2021
 Gross Carrying AmountAccumulated AmortizationNet Book ValueGross Carrying AmountAccumulated AmortizationNet Book Value
Purchased technology$212,700 $(134,257)$78,443 $212,700 $(128,797)$83,903 
Customer-related306,308 (128,519)177,789 306,308 (119,357)186,951 
Trademarks and trade names37,611 (22,664)14,947 37,611 (21,556)16,055 
Non-compete agreement2,000 (1,889)111 2,000 (1,724)276 
Total$558,619 $(287,329)$271,290 $558,619 $(271,434)$287,185 

In the first quarter of fiscal years 2022 and 2021, amortization expense related to intangible assets was $17.2 million and $10.4 million, respectively.

Future amortization expense for intangible assets as of February 28, 2022, is as follows (in thousands):
 
Remainder of 2022$52,019 
202368,895 
202456,079 
202545,569 
202635,877 
Thereafter12,851 
Total$271,290 

Goodwill

Changes in the carrying amount of goodwill in the three months ended February 28, 2022 are as follows (in thousands):

Balance, November 30, 2021$671,152 
Measurement period adjustments1,886 
Translation adjustments(2)
Balance, February 28, 2022$673,036