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Leases
12 Months Ended
Dec. 31, 2019
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 54 years remaining.
The components of the lease expense is as follows:
 
 
Year to date
 
 
In millions
2019
 
2018
 
2017
 
 
Operating lease cost
$
4.1

 
$
4.8

 
$
5.1

 
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 millions
2019
 
2018
 
2017
 
 
Operating cash flows from operating leases
$
4.1

 
$
4.8

 
$
5.1

 
Supplemental balance sheet information related to leases was as follows:
 
 
December 31,
 
December 31,
 
 
In millions
2019
 
2018
 
 
Operating leases
 
 
 
 
 
Operating lease right-of-use asset
$
14.8

 
$
18.4

 
 
 
 
 
 
 
 
Other current liabilities
3.3

 
3.5

 
 
Other non-current liabilities
11.7

 
14.9

 
 
 
$
15.0

 
$
18.4

 
 
 
 
 
 
 
 
Weighted Average Remaining Lease Term (Years)
16.2

 
14.6

 
 
Weighted Average Discount Rate
4.46
%
 
4.46
%
 

Maturities of lease liabilities were as follows:
 
In millions
 
 
2019
 
 
2020
 
 
$
3.9

 
 
2021
 
 
3.2

 
 
2022
 
 
2.2

 
 
2023
 
 
1.6

 
 
2024
 
 
1.2

 
 
Thereafter
 
 
9.9

 
 
Total lease payments
 
 
$
22.0

 
 
Less imputed interest
 
 
(7.0
)
 
 
Total
 
 
$
15.0