v3.24.0.1
Leases (Leased Assets and Liabilities) (Details) - USD ($)
$ in Millions
Dec. 31, 2023
Dec. 31, 2022
Assets    
Operating right-of-use lease assets $ 238.1 $ 275.1
Finance lease assets 286.7 288.3
Total leased assets 524.8 563.4
Current    
Operating 54.8 57.9
Finance 12.9 14.3
Long-term    
Operating 194.9 238.0
Finance 238.4 233.2
Total lease liabilities $ 501.0 $ 543.4
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] Other Assets, Noncurrent Other Assets, Noncurrent
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] Other Accrued Liabilities, Current Other Accrued Liabilities, Current
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List] Long-Term Debt and Lease Obligation, Current Long-Term Debt and Lease Obligation, Current
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] Other Liabilities, Noncurrent Other Liabilities, Noncurrent
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] Long-term portion Long-term portion