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Intangible Assets and Goodwill
 12 Months Ended
Nov. 30, 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):
 
November 30, 2023November 30, 2022
 Gross
Carrying
Amount		Accumulated
Amortization		Net Book
Value		Gross
Carrying
Amount		Accumulated
Amortization		Net Book
Value
Purchased technology$280,000 $(181,045)$98,955 $212,700 $(150,877)$61,823 
Customer-related458,608 (221,362)237,246 306,308 (162,341)143,967 
Trademarks and trade names50,111 (32,034)18,077 37,611 (26,046)11,565 
Non-compete agreement— — — 2,000 (2,000)— 
Total$788,719 $(434,441)$354,278 $558,619 $(341,264)$217,355 

We amortize intangible assets assuming no expected residual value. Amortization expense related to these intangible assets was $96.6 million, $68.9 million, and $46.9 million in fiscal years 2023, 2022, and 2021, respectively.

Future amortization expense for intangible assets as of November 30, 2023 is as follows (in thousands):
 
2024$89,077 
202578,567 
202670,054 
202744,740 
202833,157 
Thereafter38,683 
Total$354,278 
Goodwill

Changes in the carrying amount of goodwill for fiscal years 2023 and 2022 are as follows (in thousands):
November 30, 2023November 30, 2022
Balance, beginning of year$671,037 $671,152 
Additions(1)
161,070 — 
Measurement period adjustments(2)
— (88)
Translation adjustments(6)(27)
Balance, end of year$832,101 $671,037 
(1) The addition to goodwill during fiscal year 2023 is related to the acquisition of MarkLogic. Refer to Note 7: Business Combinations for further information.
(2) Represents final measurement period adjustments related to Kemp during fiscal year 2022. Refer to Note 7: Business Combinations for further information.

During fiscal year 2023, we performed a quantitative assessment as of October 31, 2023 and concluded that there was no impairment since it was not more likely than not that the fair value of our reporting unit was less than its carrying value. We did not recognize any goodwill impairment charges during the years presented.