Annual report pursuant to Section 13 and 15(d)

Significant Accounting Policies (Details)

v3.23.3
Significant Accounting Policies (Details) - USD ($)
$ / shares in Units, $ in Thousands
 1 Months Ended 12 Months Ended
Sep. 30, 2023
May 31, 2021
Sep. 30, 2023
Sep. 30, 2022
Property, Plant and Equipment [Line Items]        
Capitalized software, net $ 107,811   $ 107,811 $ 58,740
Impairment charges $ 2,900      
Operating lease, weighted average discount rate, percent 5.50%   5.50%  
Unrecognized compensation costs, period for recognition     4 years  
Revenue Benchmark | Customer Concentration Risk | Outside the U.S.        
Property, Plant and Equipment [Line Items]        
Concentration risk     48.00%  
Restricted Stock Units | Share-based Payment Arrangement, Tranche One        
Property, Plant and Equipment [Line Items]        
Vesting period     1 year  
Restricted Stock Units | Share-based Payment Arrangement, Tranche Two        
Property, Plant and Equipment [Line Items]        
Vesting period     5 years  
Performance Stock Units        
Property, Plant and Equipment [Line Items]        
Vesting period     3 years  
Unrecognized compensation costs, period for recognition     3 years  
Maximum | Restricted Stock Units        
Property, Plant and Equipment [Line Items]        
Vesting period     5 years  
Minimum | Restricted Stock Units        
Property, Plant and Equipment [Line Items]        
Vesting period     3 years  
Office furniture | Maximum        
Property, Plant and Equipment [Line Items]        
Property, plant and equipment, useful life 7 years   7 years  
Software and Software Development Costs | Maximum        
Property, Plant and Equipment [Line Items]        
Property, plant and equipment, useful life 10 years   10 years  
Software and Software Development Costs | Minimum        
Property, Plant and Equipment [Line Items]        
Property, plant and equipment, useful life 3 years   3 years  
Technology Equipment        
Property, Plant and Equipment [Line Items]        
Technology assets   $ 27,000    
Intangible assets, estimated useful life   12 years    
Additional annual amortization expense following change in estimated useful life     $ 3,800  
Change in estimated useful life, increase (decrease) in diluted earnings per share (in dollars per share)     $ (0.04)  
Capitalized software, net   $ 23,000