v3.26.1
Corporate Investments and Funds Held for Clients - Schedule of Classification of Corporate Investments on the Consolidated Balance Sheets (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Jun. 30, 2025
Mar. 31, 2025
Investments, Debt and Equity Securities [Abstract]      
Cash and cash equivalents $ 3,228.4 $ 3,347.8 $ 2,680.6
Short-term marketable securities [1] 0.0 4,498.8  
Total corporate investments $ 3,228.4 $ 7,846.6  
[1] As of June 30, 2025, $38.4 million of short-term marketable securities have been pledged as collateral under the Company's reverse repurchase agreements (see Note 10).