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Leases (Tables) | 3 Months Ended
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Mar. 31, 2020
Leases [Abstract] |
Lease, Cost | The components of lease expense were as follows:
| Three months ended March 31,
| 2020 |  | 2019
Operating lease cost: |  |  |
Amortization of right-of-use assets | $ | 1.1 |  |  | $ | 0.6 |
Interest on lease liabilities | 0.3 |  |  | 0.1 |
Total operating lease cost | $ | 1.4 |  |  | $ | 0.7 |
Schedule of Leases Supplemental Balance Sheets | Supplemental balance sheet information related to leases was as follows:
(In millions, except lease term and discount rate) | Balance Sheet location |  | March 31, 2020 |  | December 31, 2019
Operating lease right-of-use assets | Other assets |  | $ | 25.6 |  |  | $ | 24.7 |
Operating lease liabilities, current portion | Other current liabilities |  | 4.2 |  |  | 3.6 |
Operating lease liabilities | Other liabilities |  | 22.7 |  |  | 22.1 |
Total operating lease liabilities |  |  | $ | 26.9 |  |  | $ | 25.7 |
Operating leases: |  |  |  |  |
Weighted average remaining lease term (years) |  |  | 7.7 |  |  | 8.0 |
Weighted average discount rate |  |  | 4.2 | % |  | 4.2 | %

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- Definition Schedule Of Leases Supplemental Balance Sheets [Table Text Block] + References No definition available. + 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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- References No definition available. + Details
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