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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 are as follows (in millions):
| Three Months Ended September 30, 2019 |  | Nine Months Ended September 30, 2019
Long-term operating lease cost | $ | 8.3 |  |  | $ | 21.5 |
Short-term operating lease cost | 1.3 |  |  | 5.6 |
Sublease income | (.7) |  |  | (1.7) |
Total operating lease cost | $ | 8.9 |  |  | $ | 25.4 |
Supplemental Balance Sheet Information | Supplemental balance sheet information related to our operating leases is as follows (in millions, except lease term and discount rate):
| September 30, 2019
Operating lease right-of-use assets(1) | $ | 64.9 |
Current lease liability(1) | $ | 23.4 |
Long-term lease liability(1) | 53.5 |
Total operating lease liabilities | $ | 76.9 |
Weighted-average remaining lease term (in years) | 5.1
Weighted-average discount rate (2) | 8.18 | %
(1)The right-of-use assets include $12.2 million assumed in the Rowan Transaction. The current and long-term lease liabilities include $3.9 million and $10.6 million, respectively, assumed in the Rowan Transaction. (2)Represents our estimated incremental borrowing cost on a secured basis for similar terms as the underlying leases.
Maturities of Lease Liabilities | Maturities of lease liabilities as of September 30, 2019 were as follows (in millions):
Year Ending December 31, | Total
2019 (excluding the nine months ended September 30, 2019) | $ | 8.4 |
2020 | 24.2 |
2021 | 17.6 |
2022 | 12.0 |
2023 | 10.4 |
Thereafter | 22.2 |
Total lease payments | $ | 94.8 |
Less imputed interest | 17.9 |
Total | $ | 76.9 |

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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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- Definition Assets and Liabilities, Lessee [Table Text Block] + References No definition available. + Details
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