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Income Taxes (Reconciliation Of Unrecognized Tax Benefits) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018
Reconciliation of Unrecognized Tax Benefits [Roll Forward] |  |
Balance as of January 1 | $ 1,330,713 | $ 65,631
Additions based on tax positions related to the current year | 2,302 | 1,304,447
Additions for tax positions of acquired companies | 2,094 | 1,413
Additions for tax positions of prior years | 4,744 | 5,098
Transition tax planning initiatives | 0 | (27,470)
Reductions resulting from the lapse of the statute of limitations | (2,729) | (8,110)
Reductions due to Luxembourg tax rate change | (46,841) | 0
Settlements with taxing authorities | (1,929) | (9,773)
Effects of foreign currency translation | (27,384) | (523)
Balance as of December 31 | $ 1,260,970 | $ 1,330,713

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- Definition Unrecognized Tax Benefits, Reduction Resulting from Change in Foreign Tax Rate + References No definition available. + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Definition Amount of unrecognized tax benefits. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 45 -Paragraph 10B -URI http://asc.fasb.org/extlink&oid=116821951&loc=SL37586934-109318 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319 + Details
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- Definition Amount of decrease in unrecognized tax benefits resulting from foreign currency translation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319 + Details
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