XML 125 R108.htm IDEA: XBRL DOCUMENT v3.22.2.2
Acquisitions - Gain Capital Holdings Inc Preliminary Purchase Price Allocation (Details) - USD ($)
$ in Millions
1 Months Ended 12 Months Ended
Feb. 29, 2020
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2020
Sep. 01, 2020
Purchase Price Allocation          
Bargain purchase gain   $ 0.0 $ 3.3 $ 81.9  
Acquired finite-lived intangible asset, weighted average useful life   1 year      
Gain Capital Holdings Inc          
Purchase Price Allocation          
Cash and cash equivalents     507.2    
Cash, securities and other assets segregated under federal and other regulations     497.4    
Deposits with and receivables from broker-dealers, clearing organizations, and counterparties     249.7    
Receivables from clients, net     2.0    
Income taxes receivable     0.4    
Deferred income taxes, net     23.0    
Property and equipment, net     6.1    
Right of use assets, net     15.0    
Other assets     17.9    
Total fair value of tangible assets acquired     1,318.7    
Accounts payable and other accrued liabilities     49.4    
Operating lease liabilities     15.0    
Payable to clients     863.4    
Payable to broker-dealers, clearing organizations, and counterparties     0.5    
Income taxes payable     12.4    
Convertible senior notes $ 92.0   92.0    
Total fair value of tangible liabilities assumed     1,032.7    
Fair value of tangible net assets acquired     286.0    
Identifiable intangible assets acquired     35.7    
Fair value of identifiable net assets acquired     321.7    
Total merger consideration $ 236.6   236.6    
Bargain purchase gain     85.1    
Business combination, convertible senior notes redeemed amount         $ 91.5
Gain Capital Holdings Inc | Trademarks/domain names          
Purchase Price Allocation          
Identifiable intangible assets acquired     3.7    
Acquired finite-lived intangible asset, weighted average useful life 5 years        
Gain Capital Holdings Inc | Software programs/platforms          
Purchase Price Allocation          
Identifiable intangible assets acquired     22.2    
Acquired finite-lived intangible asset, weighted average useful life 3 years        
Gain Capital Holdings Inc | Customer base          
Purchase Price Allocation          
Identifiable intangible assets acquired     $ 9.8    
Acquired finite-lived intangible asset, weighted average useful life 4 years