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Leases
 12 Months Ended
Dec. 31, 2020
Leases [Abstract]  
Leases Leases
We have operating leases for buildings, vehicles and certain equipment. The majority of our leases have remaining lease terms of one to nine years, with one building having 53 years remaining.
The components of the lease expense is as follows:
Year to date
In millions202020192018
Operating lease cost$3.8 $4.1 $4.8 
None of our leases were classified as finance leases in any of the years disclosed.
Supplemental cash flow information related to leases was as follows:
Year-to-date
In millions202020192018
Operating cash flows from operating leases$3.8 $4.1 $4.8 
Supplemental balance sheet information related to leases was as follows:
December 31,December 31,
In millions20202019
Operating leases
Operating lease right-of-use asset$9.5 $11.0 
Other current liabilities2.9 2.3 
Other non-current liabilities6.7 8.9 
$9.6 $11.2 
Weighted Average Remaining Lease Term (Years)21.917.1
Weighted Average Discount Rate4.43 %4.46 %
Maturities of lease liabilities were as follows:
In millions2020
2021$2.4 
20221.7 
20231.5 
20241.1 
20250.7 
Thereafter8.5 
Total lease payments$15.9 
Less imputed interest(6.3)
Total$9.6