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Leases (Tables) | 6 Months Ended
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Jun. 30, 2019
Leases [Abstract] |
Lease Cost | The components of lease cost follow:
(in millions) |  | Three Months Ended June 30, 2019 |  |  |  | Six Months Ended June 30, 2019 |  |
Operating lease cost |  | $ | 6.8 |  |  |  | $ | 13.2 |  |
Variable lease cost |  | 1.8 |  |  |  | 3.3 |  |
Short-term lease cost |  | 0.8 |  |  |  | 1.5 |  |
Total lease cost |  | $ | 9.4 |  |  |  | $ | 18.0 |  |
Summary of Lease Assets and Liabilities | A summary of lease assets and liabilities follows:
(in millions) |  | June 30, 2019 |  |
Assets: |  |  |  |
Operating lease right-of-use assets1 |  | $ | 79.0 |  |
Liabilities: |  |  |  |
Operating lease liabilities - current2 |  | 21.6 |  |
Operating lease liabilities - long-term3 |  | 63.3 |  |
Total lease liabilities |  | $ | 84.9 |  |
1.Included in other long-term assets. 2.Included in accrued liabilities and other. 3.Included in other long-term liabilities.
Maturity of Lease Liabilities | Maturity of lease liabilities as of June 30, 2019, follow:
(in millions) |  | Remainder of 2019 |  | 2020 |  | 2021 |  | 2022 |  | 2023 |  | 2024 |  | Thereafter |  | Total
Lease payments |  | $ | 13.5 |  | $ | 20.2 |  | $ | 15.0 |  | $ | 11.1 |  | $ | 8.6 |  | $ | 6.4 |  | $ | 22.9 |  | $ | 97.7
Less: imputed interest |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (12.8)
Total lease liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ | 84.9
As previously disclosed in our 2018 Annual Report on Form 10-K and under the previous lease accounting standard, future minimum lease payments for non-cancelable operating leases in future years would have been as follows:
(in millions) |  | 2019 |  | 2020 |  | 2021 |  | 2022 |  | 2023 |  | Thereafter
Future minimum lease payments |  | $ | 16.7 |  | $ | 10.8 |  | $ | 6.8 |  | $ | 4.9 |  | $ | 4.2 |  | $ | 5.1
Lease Term and Discount Rate | Lease Term and Discount Rate
|  | June 30, 2019
Operating leases: |  |
Weighted-average remaining lease term (in years) |  | 6.6
Weighted-average discount rate |  | 3.9 | %

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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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