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Income Taxes (Net Discrete Impact of Tax Act) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
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Mar. 31, 2018 | Dec. 31, 2017 | Mar. 31, 2018
Income Taxes |  |  |
Transition Tax |  |  | $ 26,000
Impact on U.S. deferred tax assets and liabilities |  |  | (16,260)
Net changes in deferred tax liability associated with anticipated repatriation taxes |  |  | 5,038
Net discrete impacts of the enactment of the Tax Act | $ 0 | $ 14,778 | $ 14,778

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- Definition Amount of income tax expense (benefit) from continuing operations attributable to an adjustment of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32639-109319 + Details
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- Definition Amount of income tax expense (benefit) from continuing operations attributable to an adjustment of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity for repatriation taxes. + References No definition available. + Details
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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations related to discrete impacts of changes in U.S. tax law. + References No definition available. + Details
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- Definition Amount of other income tax expense (benefit) associated with enacted changes to the U.S. tax law following passage and signing of H.R. 1, "An Act to Provide for Reconciliation Pursuant to Titles II and V of the Concurrent Resolution on the Budget for Fiscal Year 2018". A one-time repatriation tax on deferred foreign income. + References No definition available. + Details
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