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Income Taxes (Schedule of Components of Income Tax Expense (Benefit)) (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2017 | [1] | Sep. 30, 2017 | [1] | Jun. 30, 2017 | [1] | Mar. 31, 2017 | [1] | Dec. 31, 2016 | [2] | Sep. 30, 2016 | [2] | Jun. 30, 2016 | [2] | Mar. 31, 2016 | [2] | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Income (loss) before income taxes: |  |  |  |  |  |  |  |  |  |  |
Domestic |  |  |  |  |  |  |  |  | $ 36,657 | $ 35,088 | $ 22,959
Foreign |  |  |  |  |  |  |  |  | 15,925 | 4,097 | (2,729)
Income (loss) before income taxes from continuing operations |  |  |  |  |  |  |  |  | 52,582 | 39,185 | 20,230
Provision for income taxes: |  |  |  |  |  |  |  |  |  |  |
Federal |  |  |  |  |  |  |  |  | 2,478 | 760 | 386
State and foreign |  |  |  |  |  |  |  |  | 11,014 | 2,575 | 1,232
Total current expense (benefit) |  |  |  |  |  |  |  |  | 13,492 | 3,335 | 1,618
Deferred: |  |  |  |  |  |  |  |  |  |  |
Federal |  |  |  |  |  |  |  |  | (2,585) | (37,828) |
State and foreign |  |  |  |  |  |  |  |  | (3,374) | (1,896) | (2,165)
Total deferred benefit |  |  |  |  |  |  |  |  | (5,959) | (39,724) | (2,165)
Income Tax Expense (Benefit), Total | $ (6,036) | $ 3,809 | $ 5,189 | $ 4,571 | $ (39,503) | $ 919 | $ 1,350 | $ 845 | $ 7,533 | $ (36,389) | $ (547)
[1] | The impact of the Tax Legislation was an increase in tax expense of $6.2 million due to the one-time deemed repatriation tax, offset by the favorable impacts of the reduced tax rate on the Company's net deferred tax liabilities and other deferred tax adjustments of $(15.3) million related to certain earnings included in the one-time transition tax.
[2] | The Company recorded the release of a valuation allowance associated with its U.S. federal, certain state and foreign deferred tax assets for the year ended December 31, 2016.

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- Definition The component of income tax expense for the period representing amounts paid or payable (or refundable) as determined by applying the provisions of enacted state and local tax law and foreign tax law to relevant amounts of taxable Income or Loss from continuing operations. + References No definition available. + Details
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