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Income Taxes (Schedule Of Effective Income Tax Rate For Continuing Operations) (Details) - USD ($) | 6 Months Ended
--- | ---
Jun. 30, 2019 | Jun. 30, 2018
Income Tax Disclosure [Abstract] |  |
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount | $ 8,972,000 | $ 8,971,000
Income tax expense at federal statutory rate | 21.00% | 21.00%
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount | $ 1,191,000 | $ 669,000
State taxes, net of federal income tax benefit | 1.10% | 1.20%
Income tax contingency accruals and tax settlements | (0.40%) | 0.20%
Effective Income Tax Rate Reconciliation, Prior Year Income Taxes, Amount | $ 152,000 | $ (34,000)
Effective Income Tax Rate Reconciliation Capital Loss Carryforwards Valuation Allowance, Amount | 0.000 | 91,000.000
Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount | $ (255,000) | $ (188,000)
Changes in estimates related to prior year tax provision | 0.40% | (0.10%)
Non-deductible expenses | 0.60% | 0.30%
Valuation allowance for foreign operating loss carry-forwards | (3.70%) | (0.90%)
Research and development tax credit | (0.70%) | (0.40%)
Foreign rate differences | 3.30% | 1.60%
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount | $ 468,000 | $ 537,000
Foreign tax incentives | (3.00%) | (1.50%)
Effective Income Tax Rate Reconciliation, Deduction, Dividends, Amount | $ (919,000) | $ 0
Effective Income Tax Rate Reconciliation, Deduction, Dividend, Percent | (2.20%) | 0.00%
effective income tax rate reconciliation, valuation allowance due to foreign losses | $ (1,353,000) | $ (383,000)
Valuation allowance for capital loss carry-forwards | 0.00% | 0.20%
Effective Income Tax Rate Reconciliation, Deduction, Amount | $ (8,467,000.000) | $ (9,834,000.000)
Effective income tax rate for income from continuing operations | 19.80% | 23.00%
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Compensation Cost, Amount | $ (141,000) | $ 176,000
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Compensation Cost, Percent | (0.40%) | 0.40%
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount | $ 217,000.000 | $ 123,000.000
Effective Income Tax Rate Reconciliation, Tax Settlement, Other, Amount | (154,000) | 100,000
Effective Income Tax Rate Reconciliation Amount - FDII | $ (445,000) | $ (309,000)
Effective Income Tax Rate Reconciliation Percent - FDII | (1.20%) | (0.70%)
Effective Income Tax Rate Reconciliation, Tax Credit, Amount | $ (1,074,000) | $ 655,000
Effective Income Tax Rate Reconciliation - U.S. Tax on Foreign Branch Income | $ 1,808,000 | $ 736,000
Effective Income Tax Rate Reconciliation - U.S. Tax on Foreign Branch Income - Percentage | 5.00% | 1.70%

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- Definition The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate that can be explained by the operating loss carry-forward valuation allowances for foreign countries. + References No definition available. + Details
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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 deductions. Including, but not limited to, extraterritorial income exclusion deduction, qualified production activity deduction, dividend deduction, deduction for dividend paid to employee stock ownership plan, Medicare prescription drug benefit subsidy deduction, and other deductions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -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://fasb.org/us-gaap/role/ref/legacyRef -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 + Details
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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://fasb.org/us-gaap/role/ref/legacyRef -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 2: http://fasb.org/us-gaap/role/ref/legacyRef -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 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -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 + Details
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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 tax credits. Including, but not limited to, research credit, foreign tax credit, investment tax credit, and other tax credits. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -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 2: http://fasb.org/us-gaap/role/ref/legacyRef -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 + Details
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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 research tax credit. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -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://fasb.org/us-gaap/role/ref/legacyRef -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 + Details
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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 other income tax settlements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -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 2: http://fasb.org/us-gaap/role/ref/legacyRef -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 + Details
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