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FAIR VALUE MEASUREMENTS (Schedule of Financial Assets Measured at Fair Value on Recurring Basis) (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Short-term bank deposits $ 525.7 $ 134.0
Foreign currency derivative contracts 29.8 3.3
Total financial assets 4,371.5 2,787.1
Cash [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash equivalents 109.8 54.5
Money Market Funds    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash equivalents 1,464.5 158.1
Short term deposits    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash equivalents 225.7 293.6
Debt securities issued by the U.S. Treasury and other U.S. government agencies    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Marketable securities 474.3 518.4
Debt securities issued by other governments    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Marketable securities 39.3 55.4
Corporate debt securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Marketable securities 1,502.4 1,569.8
Fair Value, Inputs, Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Short-term bank deposits 525.7 134.0
Total financial assets 2,325.7 640.2
Fair Value, Inputs, Level 1 | Cash [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash equivalents 109.8 54.5
Fair Value, Inputs, Level 1 | Money Market Funds    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash equivalents 1,464.5 158.1
Fair Value, Inputs, Level 1 | Short term deposits    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash equivalents 225.7 293.6
Fair Value, Inputs, Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Foreign currency derivative contracts 29.8 3.3
Total financial assets 2,025.6 2,126.7
Estimated fair value of the convertible notes 2,007.4  
Fair Value, Inputs, Level 2 | Debt securities issued by the U.S. Treasury and other U.S. government agencies    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Marketable securities 474.3 518.4
Fair Value, Inputs, Level 2 | Debt securities issued by other governments    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Marketable securities 39.3 55.4
Fair Value, Inputs, Level 2 | Corporate debt securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Marketable securities 1,482.2 1,549.6
Fair Value, Inputs, Level 3    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total financial assets 20.2 20.2
Fair Value, Inputs, Level 3 | Corporate debt securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Marketable securities $ 20.2 $ 20.2