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Leases (Tables) | 9 Months Ended
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Sep. 30, 2019
Leases [Abstract] |
Components of Lease Expense | The components of lease expense were as follows:
( in millions ) |  | Three Months Ended September 30 |  |  | Nine Months Ended September 30 |
|  | 2019 |  |  | 2019 |
Finance lease cost: |  |  |  |  |  |  |  |
Amortization of right-of-use assets |  | $ | 0.4 |  |  | $ | 1.4 |
Interest on lease liabilities |  |  | 0.0 |  |  |  | 0.0 |
Total finance lease cost |  |  | 0.4 |  |  |  | 1.4 |
Operating lease cost |  |  | 3.0 |  |  |  | 9.0 |
Short-term lease cost |  |  | 0.8 |  |  |  | 1.7 |
Variable lease cost |  |  | 0.1 |  |  |  | 0.3 |
Sub-lease income |  |  | 0.0 |  |  |  | 0.0 |
Total lease cost |  | $ | 4.3 |  |  | $ | 12.4 |
Supplemental Cash Flow Information Related to Leases | Supplemental cash flow information related to leases is as follows:
( in millions ) |  | Three Months Ended September 30 |  |  | Nine Months Ended September 30 |
|  | 2019 |  |  | 2019 |
Cash paid for amounts included in the measurement of lease liabilities: |  |  |  |  |  |  |  |
Operating cash flows from operating leases |  | $ | 3.7 |  |  | $ | 10.6 |
Operating cash flows from finance leases |  |  | 0.5 |  |  |  | 1.6 |
Financing cash flows from finance leases |  |  | 0.0 |  |  |  | 0.0 |
Right-of-use assets obtained in exchange for new lease obligations: |  |  |  |  |  |  |  |
Operating leases |  | $ | 1.2 |  |  | $ | 3.1 |
Finance leases |  |  | 0.0 |  |  |  | 0.0 |
Supplemental Balance Sheet Information Related to Leases | Supplemental balance sheet information related to leases is as follows:
( in millions except lease term and discount rate ) |  | September 30 2019 |
Operating leases: |  |  |  |
Operating lease right-of-use assets |  | $ | 33.8 |
Current portion of operating lease liabilities |  | $ | 11.0 |
Operating lease liabilities, net of current portion |  |  | 22.8 |
Total operating lease liabilities |  | $ | 33.8 |
Finance leases: |  |  |  |
Property, plant and equipment at cost |  | $ | 10.5 |
Accumulated depreciation |  |  | (8.3 | )
Net property, plant and equipment, net |  | $ | 2.2 |
Current portion of finance leases |  | $ | 1.2 |
Finance leases, net of current portion |  |  | 0.6 |
Total finance lease liabilities |  | $ | 1.8 |
Weighted average remaining lease term: |  |  |  |
Operating leases |  |  | 3.4 years |
Finance leases |  |  | 1.8 years |
Weighted average discount rate: |  |  |  |
Operating leases |  |  | 3.1 | %
Finance leases |  |  | 2.4 | %
Maturities of Lease Liabilities | Maturities of lease liabilities were as follows as at September 30, 2019:
( in millions ) |  | Operating leases |  |  | Finance leases |
Within one year |  | $ | 11.0 |  |  | $ | 1.2 |
Year two |  |  | 9.0 |  |  |  | 0.6 |
Year three |  |  | 6.4 |  |  |  | 0.2 |
Year four |  |  | 4.5 |  |  |  | 0.0 |
Year five |  |  | 2.4 |  |  |  | 0.0 |
Thereafter |  |  | 2.7 |  |  |  | 0.0 |
Total lease payments |  |  | 36.0 |  |  |  | 2.0 |
Less imputed interest |  |  | (2.2 | ) |  |  | (0.2 | )
Total |  | $ | 33.8 |  |  | $ | 1.8 |
As of September 30, 2019, additional operating and finance ​​​​​​​leases that have not yet commenced are $0.2 million. Future lease payments for all non - cancelable operating and finance leases as of December 31, 2018 are as follows, as accounted for under the previous lease standard, ASC 840. As such the amounts are not directly comparable to those included above.
( in millions ) |  | Operating leases |  |  | Finance leases |
Within one year |  | $ | 6.5 |  |  | $ | 1.8 |
Year two |  |  | 4.5 |  |  |  | 1.0 |
Year three |  |  | 3.2 |  |  |  | 0.4 |
Year four |  |  | 2.3 |  |  |  | 0.1 |
Year five |  |  | 2.1 |  |  |  | 0.0 |
Thereafter |  |  | 4.4 |  |  |  | 0.0 |
Total lease payments |  | $ | 23.0 |  |  | $ | 3.3 |

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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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