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Income Taxes - Tax Cuts and Jobs Act of 2017 (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Income Tax [Line Items] |  |  |
Expense (benefit) to tax expense due to reduction of DTL recorded for non-US earnings considered not permanently invested | $ 9.2 |  |
Tax expense related to non-United States withholding tax |  | $ 5.5 |
Deferred tax liability, undistributed foreign earnings | 15.3 | 5.5 |
Transition tax expense | (6.0) | 170.2 |
Impact on net deferred assets and liabilities, excluding the provision for unremitted earnings | $ 0.0 | $ 1.2 |
United States |  |  |
Income Tax [Line Items] |  |  |
Statutory rate | 21.00% | 35.00% | 35.00%
Scenario, Previously Reported |  |  |
Income Tax [Line Items] |  |  |
Expense (benefit) to tax expense due to reduction of DTL recorded for non-US earnings considered not permanently invested |  | $ (275.8) |

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- Definition Amount of income tax expense (benefit) for remeasurement of deferred tax liability related to non-United States earnings that were deemed to be not permanently invested pursuant to Tax Cuts and Jobs Act of 2017. + References No definition available. + Details
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- Definition Amount of income tax expense (benefit) for remeasurement of deferred tax assets and liabilities, excluding the provision for unremitted earnings, pursuant to Tax Cuts and Jobs Act of 2017. + References No definition available. + Details
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- Definition Amount of provisional estimate for income tax expense (benefit) from transition tax on accumulated earnings of controlled foreign corporation deemed repatriated pursuant to Tax Cuts and Jobs Act of 2017 for which accounting for tax effect is incomplete. + References No definition available. + Details
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- Definition Tax expense (benefit) related to non-United States withholding tax, which offset the income tax expense (benefit) for remeasurement of deferred tax liability related to non-United States earnings that were deemed to be not permanently invested pursuant to Tax Cuts and Jobs Act of 2017. + References No definition available. + Details
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- Definition Amount of deferred tax liability attributable to taxable temporary differences from undistributed earnings of subsidiaries and other recognized entities not within the country of domicile of the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=96869850&loc=d3e28680-109314 Reference 2: http://www.xbrl.org/2003/role/presentationRef -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://www.xbrl.org/2003/role/presentationRef -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 + Details
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- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 6.I) -URI http://asc.fasb.org/extlink&oid=34349781&loc=d3e330036-122817 Reference 3: http://www.xbrl.org/2003/role/presentationRef -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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