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Leases - Schedule of Lease-Related Liabilities Recorded on the Balance Sheet (Details) - USD ($) $ in Millions | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Operating lease liabilities: |  |
Current portion included in accrued liabilities | $ 30.8 | $ 25.2
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] | us-gaap:AccruedLiabilitiesCurrent | us-gaap:AccruedLiabilitiesCurrent
Noncurrent operating lease liabilities | $ 246.7 | $ 238.5
Total operating lease liabilities | 277.5 | 263.7
Finance lease liabilities: |  |
Current portion included in current maturities of long-term debt | $ 6.0 | $ 1.1
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
Long-term portion of lease liabilities in long-term debt | $ 240.4 | $ 29.4
Total financing lease liabilities | 246.4 | 30.5
Total lease liabilities | 523.9 | $ 294.2
Total finance lease right-of-use assets | $ 253.9 |
Weighted-average remaining lease term: |  |
Weighted-average remaining lease term, operating leases | 5 years |
Weighted-average remaining lease term, finance leases | 12 years |
Weighted-average discount rate: |  |
Weighted-average discount rate, operating leases | 4.69% |
Weighted-average discount rate, finance leases | 4.12% |

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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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