Quarterly report pursuant to Section 13 or 15(d)

Significant Accounting Policies (Details)

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Significant Accounting Policies (Details) - USD ($)
$ / shares in Units, $ in Millions
1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
May 31, 2021
Jun. 30, 2023
Jun. 30, 2023
Sep. 30, 2023
Property, Plant and Equipment [Line Items]        
Change in estimated useful life, increase (decrease) in diluted earnings per share (in dollars per share)   $ (0.01) $ (0.03)  
Segment Reconciling Items        
Property, Plant and Equipment [Line Items]        
Other expense   $ 22.1 $ 22.1  
Increase (decrease) in earnings per share, diluted (in dollars per share)   $ 0.26 $ 0.26  
Technology Equipment        
Property, Plant and Equipment [Line Items]        
Technology assets $ 27.0      
Intangible assets, estimated useful life 12 years      
Technology Equipment | Forecast        
Property, Plant and Equipment [Line Items]        
Additional annual amortization expense following change in estimated useful life       $ 3.8