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Leases (Tables) | 12 Months Ended
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Dec. 31, 2019
Leases [Abstract] |
Summary of Lease Expense | 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 | 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 |  |

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- Definition Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980 + Details
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- Definition Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980 + Details
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