XML 77 R61.htm IDEA: XBRL DOCUMENT v3.20.4
Leases - Components of Right-Of-Use Assets and Lease Liabilities (Details)
$ in Millions
 12 Months Ended
Dec. 31, 2020
USD ($)
lease_renewal
Dec. 31, 2019
USD ($)
Leases [Abstract]    
Number of operating renewals (or more) | lease_renewal 1  
Number of finance renewals (or more) | lease_renewal 1  
Operating lease right-of-use assets $ 19.8 $ 20.9
Finance lease right-of-use assets 3.0 2.9
Total right of use assets 22.8 23.8
Current operating lease obligation 5.2 4.9
Long-term operating lease obligation 15.6 17.2
Total operating lease obligation 20.8 22.1
Current finance lease obligation 0.5 0.4
Long-term finance lease obligation 3.0 2.8
Total finance lease obligation $ 3.5 $ 3.2
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] us-gaap:AccruedLiabilitiesCurrent us-gaap:AccruedLiabilitiesCurrent
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] us-gaap:OtherLiabilitiesNoncurrent us-gaap:OtherLiabilitiesNoncurrent
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List] us-gaap:DebtCurrent us-gaap:DebtCurrent
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] us-gaap:LongTermDebtNoncurrent us-gaap:LongTermDebtNoncurrent