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Intangible Assets and Goodwill
 3 Months Ended
Feb. 28, 2023
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, 2023November 30, 2022
 Gross Carrying AmountAccumulated AmortizationNet Book ValueGross Carrying AmountAccumulated AmortizationNet Book Value
Purchased technology$280,300 $(157,141)$123,159 $212,700 $(150,877)$61,823 
Customer-related468,508 (173,532)294,976 306,308 (162,341)143,967 
Trademarks and trade names50,111 (27,304)22,807 37,611 (26,046)11,565 
Non-compete agreement2,000 (2,000)— 2,000 (2,000)— 
Total$800,919 $(359,977)$440,942 $558,619 $(341,264)$217,355 

In the first quarter of fiscal years 2023 and 2022, amortization expense related to intangible assets was $19.9 million and $17.2 million, respectively.

Future amortization expense for intangible assets as of February 28, 2023, is as follows (in thousands):
 
Remainder of 2023$77,748 
202490,534 
202580,024 
202671,147 
202746,198 
Thereafter75,291 
Total$440,942 

Goodwill

Changes in the carrying amount of goodwill in the three months ended February 28, 2023 are as follows (in thousands):

Balance, November 30, 2022$671,037 
Additions(1)
140,964 
Translation adjustments(142)
Balance, February 28, 2023$811,859 
(1) The additions to goodwill during fiscal year 2023 are related to the acquisition of MarkLogic in February 2023. See Note 6: Business Combinations for additional information.