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(Tables) | 3 Months Ended
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Mar. 31, 2019
Leases [Abstract] |
Components of Lease Expense | The components of lease cost for the three months ended March 31, 2019 are as follows (in millions):
| Classification |  | Three Months Ended March 31, 2019
Operating lease cost | Facilities and grounds expense |  | $ | 0.9 |
Short-term lease cost | Facilities and grounds expense |  | $ | 0.1 |
Finance lease cost: |  |  |
Depreciation of leased assets | Depreciation and amortization |  | $ | 0.1 |
Interest on lease liabilities | Interest expense |  | 0.1 |
Total finance lease cost |  |  | 0.2 |
Total lease cost |  |  | $ | 1.2 |
Variable lease expense was immaterial for the three months ended March 31, 2019. Supplemental cash flow information related to our leases for the three months ended March 31, 2019 is as follows (in millions):
| Three Months Ended March 31, 2019
Cash paid for operating leases included in operating activities | $ | 1.0 |
Cash paid for finance leases included in financing activities | 0.2 |
Supplemental balance sheet information related to leases as of March 31, 2019 is as follows (in millions):
Lease Type |  | Balance Sheet Classification |  | March 31, 2019
Operating lease right-of-use assets(1) |  | Operating lease right-of-use assets |  | $ | 15.9 |
Finance lease right-of-use assets(2) |  | Property, plant and equipment, net |  | 5.6 |
Total right-of-use assets |  |  |  | $ | 21.5 |
Operating |  | Current portion of operating lease obligations |  | $ | 2.7 |
Finance |  | Current portion of finance lease obligations |  | 0.3 |
Total current lease liabilities |  |  |  | 3.0 |
Operating |  | Obligations under operating leases, net of current portion |  | 14.0 |
Finance |  | Obligations under finance leases, net of current portion |  | 6.1 |
Total non-current lease liabilities |  |  |  | 20.1 |
Total lease liabilities |  |  |  | $ | 23.1 |
(1) | Operating lease right-of-use assets are presented net of accumulated amortization of $0.6 million.
(2) | Finance lease right-of-use assets are presented net of accumulated depreciation of $1.7 million.
The average lease terms and discount rates as of March 31, 2019 are as follows:
| Weighted-average remaining lease term (years) |  | Weighted-average discount rate
Operating leases | 10.2 |  | 8.1 | %
Finance leases | 7.7 |  | 8.2 | %
Maturities of Operating Lease Liabilities | The aggregate future lease payments for operating and finance leases as of March 31, 2019 are as follows (in millions):
| Operating |  | Finance
Lease payments due: |  |  |
Remainder of 2019 | $ | 2.9 |  |  | $ | 0.7 |
2020 | 3.9 |  |  | 0.8 |
2021 | 3.9 |  |  | 0.8 |
2022 | 1.7 |  |  | 0.8 |
2023 | 1.4 |  |  | 0.9 |
Thereafter | 10.0 |  |  | 7.1 |
Total lease payments | 23.8 |  |  | 11.1 |
Less: Interest | (7.1 | ) |  | (4.7 | )
Present value of lease liabilities | $ | 16.7 |  |  | $ | 6.4 |
Maturities of Financing Lease Liabilities | The aggregate future lease payments for operating and finance leases as of March 31, 2019 are as follows (in millions):
| Operating |  | Finance
Lease payments due: |  |  |
Remainder of 2019 | $ | 2.9 |  |  | $ | 0.7 |
2020 | 3.9 |  |  | 0.8 |
2021 | 3.9 |  |  | 0.8 |
2022 | 1.7 |  |  | 0.8 |
2023 | 1.4 |  |  | 0.9 |
Thereafter | 10.0 |  |  | 7.1 |
Total lease payments | 23.8 |  |  | 11.1 |
Less: Interest | (7.1 | ) |  | (4.7 | )
Present value of lease liabilities | $ | 16.7 |  |  | $ | 6.4 |

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- Definition Tabular disclosure of undiscounted cash flows of finance lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to finance 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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- 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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