v3.24.1.u1
Fair Value - Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($)
$ in Millions
Mar. 31, 2024
Dec. 31, 2023
Assets and Liabilities Measured at fair value on a recurring basis    
Restricted cash $ 0.4 $ 0.4
Fair Value, Recurring    
Assets and Liabilities Measured at fair value on a recurring basis    
Restricted cash 0.4 0.4
Short-term investments 11.4 31.6
Interest rate swap contracts   0.0
Foreign currency forward contracts 0.7 3.3
Total assets 434.4 454.2
Foreign currency forward contracts 10.2 11.4
Total liabilities 10.2 11.4
Fair Value, Recurring | Level 1, 2 and 3    
Assets and Liabilities Measured at fair value on a recurring basis    
Cash and cash equivalents 398.0 384.4
Fair Value, Recurring | Level 1    
Assets and Liabilities Measured at fair value on a recurring basis    
Cash and cash equivalents 395.7 381.0
Restricted cash 0.4 0.4
Short-term investments 0.0 0.0
Interest rate swap contracts   0.0
Foreign currency forward contracts 0.0 0.0
Total assets 396.1 381.4
Foreign currency forward contracts 0.0 0.0
Total liabilities 0.0 0.0
Fair Value, Recurring | Level 2    
Assets and Liabilities Measured at fair value on a recurring basis    
Cash and cash equivalents 2.3 3.4
Restricted cash 0.0 0.0
Short-term investments 11.4 31.6
Interest rate swap contracts   0.0
Foreign currency forward contracts 0.7 3.3
Total assets 14.4 38.3
Foreign currency forward contracts 10.2 11.4
Total liabilities 10.2 11.4
Fair Value, Recurring | Level 3    
Assets and Liabilities Measured at fair value on a recurring basis    
Cash and cash equivalents 0.0 0.0
Restricted cash 0.0 0.0
Short-term investments 0.0 0.0
Interest rate swap contracts   0.0
Foreign currency forward contracts 0.0 0.0
Total assets 0.0 0.0
Foreign currency forward contracts 0.0 0.0
Total liabilities 0.0 0.0
Fair Value, Recurring | Fair Value Measured at Net Asset Value Per Share    
Assets and Liabilities Measured at fair value on a recurring basis    
Cash and cash equivalents $ 23.9 $ 34.5