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Income Taxes (Schedule of Components of Income Tax Expense) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2017 | Sep. 30, 2016
Income Tax Disclosure [Abstract] |  |  |  |
Income tax based on income from continuing operations, at estimated tax rates of 36.4% and 37.5%, respectively | $ 6,935 | $ 7,838 | $ 14,420 | $ 21,545
Provision for change in estimated tax rates | 741 | (424) |  |
Income tax before discrete items | 7,676 | 7,414 | 14,420 | 21,545
Discrete tax expense: |  |  |  |
Provision for/resolution of tax audits and contingencies, net |  |  | 961 | (825)
Adjustments to prior period tax liabilities | (73) | (11) | 606 | (254)
Other discrete tax adjustments, net | (7) | 85 | (62) | 113
Provision for/adjustment to beginning of year valuation allowance | (3,787) |  | (3,787) |
Enacted tax legislation |  |  |  | 34
Total income tax expense | $ 3,809 | $ 7,488 | $ 12,138 | $ 20,613

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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + 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 (a),(b) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32639-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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