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v3.20.4

Leases - Components of Right-of-us Assets and Liabilities Related to Leases (Details) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 USD ($) option_to_renew | Dec. 31, 2019 USD ($)
Leases [Abstract] |  |
Initial term of operating leases | 10 years |
Number of options to renew operating leases | option_to_renew | 1 |
Unusual or Infrequent Item, or Both [Line Items] |  |
Increase in right-of-use operating lease assets and liabilities | $ 62.1 | $ 56.2
Assets: |  |
Operating lease assets | $ 310.1 | $ 297.7
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] | us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization | us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization
Finance lease assets | $ 258.1 | $ 237.1
Total leased assets | $ 568.2 | $ 534.8
Operating lease liabilities: |  |
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] | us-gaap:OtherLiabilitiesCurrent | us-gaap:OtherLiabilitiesCurrent
Current | $ 39.2 | $ 37.3
Long-term | 300.9 | 283.1
Total operating lease liabilities | $ 340.1 | $ 320.4
Finance lease liabilities: |  |
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List] | us-gaap:LongTermDebtAndCapitalLeaseObligationsCurrent | us-gaap:LongTermDebtAndCapitalLeaseObligationsCurrent
Current | $ 18.9 | $ 15.8
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] | us-gaap:LongTermDebtAndCapitalLeaseObligations | us-gaap:LongTermDebtAndCapitalLeaseObligations
Long-term | $ 262.3 | $ 237.6
Total finance lease liabilities | 281.2 | 253.4
Total lease liabilities | $ 621.3 | $ 573.8
Weighted-average remaining lease term, operating leases | 8 years 10 months 24 days | 8 years 10 months 24 days
Weighted-average remaining lease term, finance leases | 15 years 10 months 24 days | 16 years 7 months 6 days
Weighted-average discount rate, operating leases | 10.30% | 10.40%
Weighted-average discount rate, finance leases | 9.20% | 8.70%
COVID-19 Pandemic |  |
Unusual or Infrequent Item, or Both [Line Items] |  |
Increase in right-of-use operating lease assets and liabilities | $ 27.4 |

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- Definition Present value of lessee's discounted obligation for lease payments from finance lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918701-209980 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918627-209977 + Details
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- Definition Amount, after accumulated amortization, of right-of-use asset from finance lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918627-209977 + Details
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