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Leases - Components of Lease Expense (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Operating lease costs:      
Amortization of ROU assets $ 176.1 $ 172.7 $ 146.3
Total operating lease costs 176.1 172.7 146.3
Financing lease costs:      
Variable lease costs 11.8 10.2 6.5
Total lease costs 306.9 259.8 194.2
Finance Leases      
Financing lease costs:      
Amortization of ROU assets 7.8 6.4 3.2
Interest on lease liabilities 15.4 9.3 4.5
Total financing lease costs 23.2 15.7 7.7
DLF obligations      
Financing lease costs:      
Amortization of ROU assets 25.8 14.5 5.7
Interest on lease liabilities 70.0 46.7 28.0
Total financing lease costs $ 95.8 $ 61.2 $ 33.7