v3.26.1
Corporate Investments and Funds Held for Clients - Schedule of Investment of Funds Held for Clients (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Jun. 30, 2025
Mar. 31, 2025
 [1]
Debt Securities, Available-for-sale [Line Items]      
Restricted cash and cash equivalents held to satisfy client funds obligations $ 9,369.5 [1] $ 1,706.8 $ 5,518.6
Total funds held for clients 46,413.1 30,985.7  
Current      
Debt Securities, Available-for-sale [Line Items]      
Restricted short-term and long term marketable securities held to satisfy client funds obligations 6,561.4 3,155.7  
Non-current      
Debt Securities, Available-for-sale [Line Items]      
Restricted short-term and long term marketable securities held to satisfy client funds obligations $ 30,482.2 $ 26,123.2  
[1] See Note 7 for a reconciliation of restricted cash and restricted cash equivalents in funds held for clients on the Consolidated Balance Sheets.