XML 55 R44.htm IDEA: XBRL DOCUMENT v3.24.2.u1
Cash, Cash Equivalents, and Restricted Cash (Details) - USD ($)
$ in Millions
Jun. 30, 2024
Dec. 31, 2023
Jun. 30, 2023
Dec. 31, 2022
Cash and Cash Equivalents [Line Items]        
Cash and cash equivalents $ 175.9 $ 142.1    
Restricted cash 44.3 53.0    
Total cash, cash equivalents, and restricted cash 220.2 195.1 $ 238.4 $ 244.5
Cash        
Cash and Cash Equivalents [Line Items]        
Cash and cash equivalents 86.9 54.3    
Money market funds        
Cash and Cash Equivalents [Line Items]        
Cash and cash equivalents 79.1 77.8    
Commercial paper        
Cash and Cash Equivalents [Line Items]        
Cash and cash equivalents 0.0 10.0    
U.S. government and agencies        
Cash and Cash Equivalents [Line Items]        
Cash and cash equivalents 9.9 0.0    
Fiduciary assets        
Cash and Cash Equivalents [Line Items]        
Restricted cash 33.6 32.5    
Letters of credit and cash on deposit        
Cash and Cash Equivalents [Line Items]        
Restricted cash $ 10.7 $ 20.5