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Income Taxes (Reconciliation Of Income Tax Rates) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Effective Income Tax Rate Reconciliation, Amount |  |  |
Statutory rate | $ 2,815 | $ (51,509) | $ (17,702)
Foreign tax rate differential | (717) | (485) | (419)
State income taxes, net of federal benefit | 368 | (2,893) | (159)
Non-deductible goodwill impairment | 0 | 11,448 | 12,737
Non-deductible expenses | 323 | 262 | 452
Domestic production activities deduction | (405) | 700 | (507)
U.S. Tax Cuts and Jobs Act: remeasurement of deferred taxes | 10,260 | 0 | 0
U.S. Tax Cuts and Jobs Act: deferred foreign earnings | 4,009 | 0 | 0
Tax on unremitted foreign earnings | (6,712) | 7,932 | 0
Change in valuation allowance | (6,023) | 29,719 | 0
Other | 11 | (683) | (534)
Total income tax expense (benefit) | $ 3,929 | $ (5,509) | $ (6,132)
Effective Income Tax Rate Reconciliation, Percent |  |  |
Statutory rate | 35.00% | 35.00% | 35.00%
Foreign tax rate differential | (8.90%) | 0.30% | 0.80%
State income taxes, net of federal benefit | 4.60% | 2.00% | 0.30%
Non-deductible goodwill impairment | 0.00% | (7.80%) | (25.20%)
Non-deductible expenses | 4.00% | (0.20%) | (0.90%)
Domestic production activities deduction | (5.00%) | (0.50%) | 1.00%
U.S. Tax Cuts and Jobs Act: remeasurement of deferred taxes | 127.60% | 0.00% | 0.00%
U.S. Tax Cuts and Jobs Act: deferred foreign earnings | 49.90% | 0.00% | 0.00%
Tax on unremitted foreign earnings | (83.50%) | (5.40%) | 0.00%
Change in valuation allowance | (74.90%) | (20.20%) | 0.00%
Other | 0.10% | 0.50% | 1.10%
Total income tax expense (benefit) / Effective rate | 48.90% | 3.70% | 12.10%

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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 state and local income tax expense (benefit). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -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://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)(2)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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