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Intangible Assets and Goodwill | 12 Months Ended
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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, 2023 |  | November 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-related | 458,608 |  |  | (221,362) |  |  | 237,246 |  |  | 306,308 |  |  | (162,341) |  |  | 143,967 |
Trademarks and trade names | 50,111 |  |  | (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 |
2025 | 78,567 |
2026 | 70,054 |
2027 | 44,740 |
2028 | 33,157 |
Thereafter | 38,683 |
Total | $ | 354,278 |
Goodwill Changes in the carrying amount of goodwill for fiscal years 2023 and 2022 are as follows (in thousands):
| November 30, 2023 |  | November 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.

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- Definition The entire disclosure for goodwill and intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 350 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//350/tableOfContent + Details
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