v3.25.1
FAIR VALUE MEASUREMENTS - Assets Measured at Fair Value (Details) - USD ($)
$ in Millions
Mar. 31, 2025
Mar. 31, 2024
Assets:    
Short-term investments $ 9.4 $ 22.0
Total financial assets 1,282.1 625.8
Liabilities:    
Contingent earn-out consideration   12.4
Contingent earn-out consideration   0.7
Convertible notes   24.6
Convertible notes 28.5 25.9
Total financial liabilities 28.6 63.6
Money market funds    
Assets:    
Cash and cash equivalents 842.6 177.5
Restricted cash and cash equivalents 12.0 238.3
Restricted cash and cash equivalents, long term 88.2 95.9
Bank-time deposits    
Assets:    
Cash and cash equivalents 296.4 64.8
Short-term investments 9.4 22.0
Restricted cash and cash equivalents 1.9 0.5
Equity securities    
Assets:    
Equity securities 7.3  
Private equity    
Assets:    
Equity securities 24.3 26.8
Foreign currency forward contracts    
Liabilities:    
Foreign currency forward contracts 0.1  
Quoted prices in active markets for identical assets (level 1)    
Assets:    
Total financial assets 1,257.8 599.0
Liabilities:    
Contingent earn-out consideration   0.0
Contingent earn-out consideration   0.0
Convertible notes   0.0
Convertible notes 0.0 0.0
Total financial liabilities 0.0 0.0
Quoted prices in active markets for identical assets (level 1) | Money market funds    
Assets:    
Cash and cash equivalents 842.6 177.5
Restricted cash and cash equivalents 12.0 238.3
Restricted cash and cash equivalents, long term 88.2 95.9
Quoted prices in active markets for identical assets (level 1) | Bank-time deposits    
Assets:    
Cash and cash equivalents 296.4 64.8
Short-term investments 9.4 22.0
Restricted cash and cash equivalents 1.9 0.5
Quoted prices in active markets for identical assets (level 1) | Equity securities    
Assets:    
Equity securities 7.3  
Quoted prices in active markets for identical assets (level 1) | Private equity    
Assets:    
Equity securities 0.0 0.0
Quoted prices in active markets for identical assets (level 1) | Foreign currency forward contracts    
Liabilities:    
Foreign currency forward contracts 0.0  
Significant other observable inputs (level 2)    
Assets:    
Total financial assets 0.0 0.0
Liabilities:    
Contingent earn-out consideration   0.0
Contingent earn-out consideration   0.0
Convertible notes   24.6
Convertible notes 28.5 25.9
Total financial liabilities 28.6 50.5
Significant other observable inputs (level 2) | Money market funds    
Assets:    
Cash and cash equivalents 0.0 0.0
Restricted cash and cash equivalents 0.0 0.0
Restricted cash and cash equivalents, long term 0.0 0.0
Significant other observable inputs (level 2) | Bank-time deposits    
Assets:    
Cash and cash equivalents 0.0 0.0
Short-term investments 0.0 0.0
Restricted cash and cash equivalents 0.0 0.0
Significant other observable inputs (level 2) | Equity securities    
Assets:    
Equity securities 0.0  
Significant other observable inputs (level 2) | Private equity    
Assets:    
Equity securities 0.0 0.0
Significant other observable inputs (level 2) | Foreign currency forward contracts    
Liabilities:    
Foreign currency forward contracts 0.1  
Significant unobservable inputs (level 3)    
Assets:    
Total financial assets 24.3 26.8
Liabilities:    
Contingent earn-out consideration   12.4
Contingent earn-out consideration   0.7
Convertible notes   0.0
Convertible notes 0.0 0.0
Total financial liabilities 0.0 13.1
Significant unobservable inputs (level 3) | Money market funds    
Assets:    
Cash and cash equivalents 0.0 0.0
Restricted cash and cash equivalents 0.0 0.0
Restricted cash and cash equivalents, long term 0.0 0.0
Significant unobservable inputs (level 3) | Bank-time deposits    
Assets:    
Cash and cash equivalents 0.0 0.0
Short-term investments 0.0 0.0
Restricted cash and cash equivalents 0.0 0.0
Significant unobservable inputs (level 3) | Equity securities    
Assets:    
Equity securities 0.0  
Significant unobservable inputs (level 3) | Private equity    
Assets:    
Equity securities 24.3 $ 26.8
Significant unobservable inputs (level 3) | Foreign currency forward contracts    
Liabilities:    
Foreign currency forward contracts $ 0.0