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Income Taxes, Foreign Income Tax (Details) $ in Millions | 12 Months Ended
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Dec. 31, 2018 USD ($) country | Dec. 31, 2017 USD ($) | Dec. 31, 2016 USD ($)
Income Tax Foreign Tax Jurisdiction [Line Items] |  |  |
U.S. federal income tax rate | 21.00% | 35.00% | 35.00%
Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Amount | $ | $ 47.0 | $ 125.9 | $ 0.0
Number of countries in which the company has operations that constitute an income tax presence | country | 91 |  |
Threshold for foreign taxing jurisdiction to be considered very low rate (in hundredths) | 25.00% |  |
HONG KONG [Member] |  |  |
Income Tax Foreign Tax Jurisdiction [Line Items] |  |  |
Foreign tax rate considered to be very low tax rates | 16.50% |  |
SINGAPORE [Member] |  |  |
Income Tax Foreign Tax Jurisdiction [Line Items] |  |  |
Foreign tax rate considered to be very low tax rates | 17.00% |  |
UNITED KINGDOM [Member] |  |  |
Income Tax Foreign Tax Jurisdiction [Line Items] |  |  |
Foreign tax rate considered to be very low tax rates | 19.00% |  |
SAUDI ARABIA |  |  |
Income Tax Foreign Tax Jurisdiction [Line Items] |  |  |
Foreign tax rate considered to be very low tax rates | 20.00% |  |
Other Foreign Tax Authorities [Member] |  |  |
Income Tax Foreign Tax Jurisdiction [Line Items] |  |  |
Foreign tax rate considered to be very low tax rates | 25.00% |  |

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- Definition The foreign entitys' statutory tax rate applicable under enacted tax laws to the Company's pretax income from continuing operations for the period. The "statutory" tax rate is the regular tax rate if there are alternative tax systems. + References No definition available. + Details
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- Definition The income tax rate threshold which is used to determine what constitutes a very low tax rate as attributable to foreign taxing entities. + References No definition available. + Details
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- Definition The number of countries in which the entity has substantial enough operations to constitute and income tax presence. + References No definition available. + Details
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- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -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 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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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to repatriation of foreign earnings. + References Reference 1: 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 2: 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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