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Income Taxes Income Taxes (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2018 | Dec. 31, 2017 | Jun. 30, 2018
Income Tax Disclosure [Abstract] |  |  |  |  |
Effective Income Tax Rate Reconciliation, Percent | 27.40% | (5.80%) | 23.70% | 25.20% |
Deferred tax remeasurement |  |  |  | $ 1.2 | $ 0.5
Deferred Tax Assets, Tax Credit Carryforwards, Foreign | $ 1.5 |  | $ 1.5 |  |
Tax Credit Carryforward, Valuation Allowance | 0.2 |  | 0.2 |  |
Deferred Tax Assets, Foreign Tax Credit Carryforward, After Valuation Allowance | 1.3 |  | 1.3 |  |
Amount of Foreign Tax Credit Carryforward Expiring in Fiscal 2021 | 0.6 |  | 0.6 |  |
Amount of Foreign Tax Credit Carryforward Expiring Between Fiscal 2023 and Fiscal 2025 | $ 0.7 |  | 0.7 |  |
Discrete item impact on effective tax rate |  |  | $ 0.3 |  |
Expected effective tax rate |  |  | 27.00% |  |

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- Definition Amount of Foreign Tax Credit Carryforward Expiring in Fiscal 2023 + References No definition available. + Details
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- Definition Deferred Tax Assets, Foreign Tax Credit Carryforward, After Valuation Allowance + References No definition available. + Details
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- Definition Deferred tax remeasurement due to the enactment of the Tax Cuts and Jobs Act of 2017. The Company's domestic net deferred tax liability balance was remeasured at a lower corporate tax rate, which reduced the net deferred tax liability balance. The downward remeasurement was recorded as a benefit to income tax expense. + References No definition available. + Details
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible foreign tax credit carryforwards. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32632-109319 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32621-109319 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32559-109319 + Details
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- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)(2)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32698-109319 + Details
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