v3.26.3
Goodwill and Intangible Assets - Goodwill (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Feb. 28, 2026
Aug. 31, 2026
Aug. 31, 2025
Nov. 30, 2025
Goodwill [Roll Forward]        
Goodwill, beginning balance $ 1,837,570 $ 1,837,570 $ 1,827,938  
Currency translation and other adjustments   3,543 16,255  
Measurement period adjustments     1,802  
Impairment   (58,240)    
Reclassification to held for sale / Write-off related to disposals   (56,850) (5,563)  
Goodwill, ending balance   1,726,023 1,840,432  
Goodwill   1,726,000   $ 1,837,600
Investment Banking and Capital Markets        
Goodwill [Roll Forward]        
Goodwill, beginning balance 1,535,961 1,535,961 1,533,013  
Currency translation and other adjustments   1,430 4,866  
Measurement period adjustments     0  
Impairment   0    
Reclassification to held for sale / Write-off related to disposals   0 0  
Goodwill, ending balance   1,537,391 1,537,879  
Asset Management        
Goodwill [Roll Forward]        
Goodwill, beginning balance 301,609 301,609 294,925  
Currency translation and other adjustments   2,113 11,389  
Measurement period adjustments     1,802  
Impairment   (58,240)    
Reclassification to held for sale / Write-off related to disposals   (56,850) (5,563)  
Goodwill, ending balance   188,632 $ 302,553  
Goodwill   143,000   143,000
Asset Management | Discontinued Operations, Held-for-Sale        
Goodwill [Roll Forward]        
Impairment $ (58,200)      
Investment banking        
Goodwill [Roll Forward]        
Goodwill   702,700   702,000
Equities and wealth management        
Goodwill [Roll Forward]        
Goodwill   256,100   255,900
Fixed income        
Goodwill [Roll Forward]        
Goodwill   578,500   578,000
Other investments        
Goodwill [Roll Forward]        
Goodwill   $ 45,700   $ 158,700