v3.26.1
Goodwill and Intangible Assets - Summary of Intangible Assets (Details) - USD ($)
$ in Thousands
 6 Months Ended 9 Months Ended
May 31, 2025
Aug. 31, 2025
May 31, 2026
Feb. 28, 2026
Nov. 30, 2025
Schedule of Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]          
Total gross costs - intangible assets     $ 280,417   $ 422,534
Assets Acquired - finite-lived intangible assets   $ 721      
Accumulated amortization - finite lived intangible assets     (169,383)   (220,678)
Total net carrying amount - intangible assets     111,034   202,577
Discontinued Operations, Held-for-Sale          
Schedule of Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]          
Intangible assets       $ 82,700  
Exchange and clearing organization membership interests and registrations          
Schedule of Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]          
Gross costs - indefinite lived intangible assets     8,708   8,717
Assets Acquired - indefinite-lived intangible assets $ 0        
Net carrying amount - indefinite lived intangible assets     8,708   8,717
Customer relationships          
Schedule of Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]          
Gross costs - finite lived intangible assets     127,611   166,328
Assets Acquired - finite-lived intangible assets 622        
Accumulated amortization - finite lived intangible assets     (106,063)   (116,810)
Net carrying amount - finite lived intangible assets     $ 21,548   $ 50,140
Weighted Average Remaining Lives (Years)     4 years 8 months 12 days   4 years 7 months 6 days
Trademarks and trade names          
Schedule of Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]          
Gross costs - finite lived intangible assets     $ 128,953   $ 160,674
Assets Acquired - finite-lived intangible assets 0        
Accumulated amortization - finite lived intangible assets     (48,874)   (55,948)
Net carrying amount - finite lived intangible assets     $ 80,079   $ 104,726
Weighted Average Remaining Lives (Years)     21 years 9 months 18 days   20 years 7 months 6 days
Other          
Schedule of Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]          
Gross costs - finite lived intangible assets     $ 15,145   $ 86,815
Assets Acquired - finite-lived intangible assets $ 99        
Accumulated amortization - finite lived intangible assets     (14,446)   (47,920)
Net carrying amount - finite lived intangible assets     $ 699   $ 38,994
Weighted Average Remaining Lives (Years)     2 years 3 months 18 days   2 years 9 months 18 days