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Income Taxes (Narrative) (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019 | Dec. 31, 2019
Income Taxes [Abstract] |  |  |  |  |
Effective income tax rate | 23.00% | 3.00% | 20.00% | 133.00% |
Valuation allowances against deferred tax assets | $ 3.6 |  | $ 3.6 |  | $ 3.2
Net deferred tax liability | 23.5 |  | 23.5 |  | $ 20.4
Reduction to income taxes payable and deferred tax assets | $ 1.3 |  | $ 1.3 |  |

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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319 + Details
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