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Leases (Tables)
 12 Months Ended
Dec. 31, 2021
Leases [Abstract]  
Summary of Lease Expense
The components of the lease expense is as follows:
Year to date
In millions202120202019
Operating lease cost$3.4 $3.8 $4.1 
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 millions202120202019
Operating cash flows from operating leases$3.4 $3.8 $4.1 
During the year ended December 31, 2021, there were additional operating leases entered into totaling $2.3 million (2020: $0.8 million, 2019: $0.2 million). These are non-cash items but will impact cash in future years.
Supplemental balance sheet information related to leases was as follows:
December 31,December 31,
In millions20212020
Operating leases
Operating lease right-of-use asset$12.6 $9.5 
Other current liabilities3.0 2.9 
Other non-current liabilities9.8 6.7 
$12.8 $9.6 
Weighted Average Remaining Lease Term (Years)17.221.9
Weighted Average Discount Rate4.38 %4.43 %
Maturities of Lease Liabilities
Maturities of lease liabilities were as follows:
In millions2021
2022$3.0 
20232.6 
20242.2 
20251.9 
20261.0 
Thereafter8.7 
Total lease payments$19.4 
Less imputed interest(6.6)
Total$12.8