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Financial Instruments and Fair Value - Schedule of Assets and Liabilities Measured at Fair Value Recurring Basis (Details)
$ in Millions
Mar. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Asset, Statement of Financial Position [Extensible Enumeration] Other assets (includes $1.4 and $10.2 at fair value) Other assets (includes $1.4 and $10.2 at fair value)
Measurement Input, Risk Free Interest Rate    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total assets   $ 963.6
Measurement Input, Risk Free Interest Rate | Minimum    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Measurement input   0.040
Measurement Input, Risk Free Interest Rate | Maximum    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Measurement input   0.047
Level 1 | Measurement Input, Risk Free Interest Rate    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total assets   $ 953.4
Level 2 | Measurement Input, Risk Free Interest Rate    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total assets   5.5
Level 3 | Measurement Input, Risk Free Interest Rate    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total assets   4.7
Recurring fair value measurements    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Interest rate swaps $ 1.4 5.5
Debt securities   4.7
Total assets 1,284.5  
Recurring fair value measurements | Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Interest rate swaps 0.0 0.0
Debt securities   0.0
Total assets 1,155.8  
Recurring fair value measurements | Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Interest rate swaps 1.4 5.5
Debt securities   0.0
Total assets 128.7  
Recurring fair value measurements | Level 3    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Interest rate swaps 0.0 0.0
Debt securities   4.7
Total assets 0.0  
Cash | Recurring fair value measurements    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and cash equivalents, fair value 141.2 133.4
Cash | Recurring fair value measurements | Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and cash equivalents, fair value 141.2 133.4
Cash | Recurring fair value measurements | Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and cash equivalents, fair value 0.0 0.0
Cash | Recurring fair value measurements | Level 3    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and cash equivalents, fair value 0.0 0.0
Money market mutual funds | Recurring fair value measurements    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and cash equivalents, fair value 1,014.6 820.0
Money market mutual funds | Recurring fair value measurements | Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and cash equivalents, fair value 1,014.6 820.0
Money market mutual funds | Recurring fair value measurements | Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and cash equivalents, fair value 0.0 0.0
Money market mutual funds | Recurring fair value measurements | Level 3    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and cash equivalents, fair value 0.0 $ 0.0
Term deposits | Recurring fair value measurements    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and cash equivalents, fair value 127.3  
Term deposits | Recurring fair value measurements | Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and cash equivalents, fair value 0.0  
Term deposits | Recurring fair value measurements | Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and cash equivalents, fair value 127.3  
Term deposits | Recurring fair value measurements | Level 3    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and cash equivalents, fair value $ 0.0