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Leases - Schedule of Supplemental Balance Sheet Information Related to Leases (Details) - USD ($) $ in Millions | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Assets |  |
Operating lease right-of-use assets | $ 245.7 | $ 276.5
Finance lease | 322.8 | 327.0
Total leased assets | 568.5 | 603.5
Current liabilities: |  |
Current operating lease liabilities | 44.8 | 40.4
Finance lease | 23.8 | 21.0
Noncurrent liabilities: |  |
Long-term operating lease liabilities | 209.6 | 243.8
Finance lease | 367.9 | 363.1
Total lease liabilities | 646.1 | $ 668.3
Finance lease right-of-use asset accumulated depreciation | $ 129.6 |
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] | us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization | us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List] | us-gaap:LongTermDebtAndCapitalLeaseObligationsCurrent | us-gaap:LongTermDebtAndCapitalLeaseObligationsCurrent
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] | us-gaap:LongTermDebtAndCapitalLeaseObligations | us-gaap:LongTermDebtAndCapitalLeaseObligations

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