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Intangible Assets, Net and Goodwill
 3 Months Ended
Feb. 28, 2022
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangible Assets, Net and Goodwill Intangible Assets, Net and Goodwill
A summary of Intangible assets, net and goodwill is as follows (in thousands):

February 28,
2022		November 30, 2021
Indefinite-lived intangibles:
Exchange and clearing organization membership interests and registrations$7,727 $7,732 
Amortizable intangibles:  
Customer and other relationships, net of accumulated amortization of $130,192 and $128,012
40,726 42,808 
 Trademarks and tradenames, net of accumulated amortization of $33,207 and $32,244
95,712 96,509 
 Other, net of accumulated amortization of $11,867 and $11,329
4,815 5,353 
Total intangible assets, net148,980 152,402 
Goodwill:  
  Investment Banking and Capital Markets (1)1,562,571 1,561,928 
  Asset Management143,000 143,000 
  Real estate36,711 36,711 
  Other operations3,459 3,459 
    Total goodwill1,745,741 1,745,098 
  Total intangible assets, net and goodwill$1,894,721 $1,897,500 

(1)    The increase in Investment Banking and Capital Markets goodwill during the three months ended February 28, 2022, primarily relates to translation adjustments.

Amortization expense on intangible assets was $3.5 million and $3.6 million for the three months ended February 28, 2022 and 2021, respectively.

The estimated aggregate future amortization expense for the intangible assets for each of the next five fiscal years is as follows (in thousands): 

Remainder of current year$7,558 
20239,900 
20249,143 
20258,633 
20268,606