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Leases - Schedule of Lease-Related Liabilities Recorded on the Balance Sheet (Details) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Operating lease liabilities:    
Current portion included in accrued liabilities $ 49.0 $ 30.8
Noncurrent operating lease liabilities 361.7 246.7
Total operating lease liabilities $ 410.7 $ 277.5
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] Accrued liabilities Accrued liabilities
Finance lease liabilities:    
Current portion included in current maturities of long-term debt $ 16.3 $ 6.0
Long-term portion of lease liabilities in long-term debt 37.3 240.4
Total financing lease liabilities 53.6 246.4
Total lease liabilities 464.3 523.9
Total finance lease right-of-use assets $ 58.7 $ 253.9
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List] Current maturities of long-term debt Current maturities of long-term debt
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] Long-term debt Long-term debt
Weighted-average remaining lease term:    
Weighted-average remaining lease term, operating leases 8 years 5 years
Weighted-average remaining lease term, finance leases 11 years 12 years
Weighted-average discount rate:    
Weighted-average discount rate, operating leases 4.12% 4.12%
Weighted-average discount rate, finance leases 2.42% 4.69%