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Income Taxes (Schedule Of Effective Income Tax Rate For Continuing Operations) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Income Tax Disclosure [Abstract] |  |  |  |
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount |  |  | $ 8,225 | $ (1,833)
Income tax expense at federal statutory rate |  |  | 21.00% | 21.00%
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount |  |  | $ 2,925 | $ 2,425
State taxes, net of federal income tax benefit |  |  | 1.50% | 2.50%
Income tax contingency accruals and tax settlements |  |  | 0.00% | 1.70%
Effective Income Tax Rate Reconciliation, Prior Year Income Taxes, Amount |  |  | $ (450) | $ (592)
Unremitted earnings from foreign operations |  |  | 0.00% | (1.70%)
Effective Income Tax Rate Reconciliation Capital Loss Carryforwards Valuation Allowance, Amount |  |  | $ 132 | $ 40
Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount |  |  | $ (644) | $ (355)
Changes in estimates related to prior year tax provision |  |  | (1.10%) | 6.80%
Effective Income Tax Rate Reconciliation Unremitted Earnings From Foreign Operations, Amount |  |  | $ 0 | $ (148)
Non-deductible expenses |  |  | 1.00% | (3.40%)
Research and development tax credit |  |  | (1.60%) | 4.10%
Foreign rate differences |  |  | 7.50% | (27.90%)
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount |  |  | $ 584 | $ (220)
Foreign tax incentives |  |  | (15.00%) | 35.00%
Effective Income Tax Rate Reconciliation, Deduction, Dividends, Amount |  |  | $ 33 | $ 0
Effective Income Tax Rate Reconciliation, Deduction, Dividend, Percent |  |  | (0.10%) | 0.00%
Valuation allowance for capital loss carry-forwards |  |  | 0.30% | (0.50%)
Effective Income Tax Rate Reconciliation, Deduction, Amount | $ 8,820 |  |  | $ 2,366
Effective income tax rate for income from continuing operations |  |  | (22.50%) | (27.10%)
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Payment Arrangement, Amount |  |  | $ 480 | $ 247
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Payment Arrangement, Percent |  |  | 1.20% | (2.80%)
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount |  |  | $ 411 | $ 293
Effective Income Tax Rate Reconciliation, Tax Credit, Amount |  |  | (5,872) | (3,041)
Effective Income Tax Rate Reconciliation - U.S. Tax on Foreign Branch Income |  |  | $ 3,062 | $ 670
Effective Income Tax Rate Reconciliation - U.S. Tax on Foreign Branch Income - Percentage |  |  | 7.80% | (7.70%)
Income Taxes [Line Items] |  |  |  |
Effective Income Tax Rate Reconciliation, Deduction, Amount | $ 8,820 |  |  | $ 2,366
Effective Income Tax Rate Reconciliation, Deduction, Percent | 22.50% | 27.10% |  |
Effective Income Tax Rate Reconciliation Unremitted Earnings From Foreign Operations |  |  | 0.00% | (1.70%)
Income tax contingency accruals and tax settlements |  |  | 0.00% | 1.70%
Effective Income Tax Rate Reconciliation, Tax Contingency, Amount |  |  | $ 0 | $ (148)
Effective Income Tax Rate Reconciliation Unremitted Earnings From Foreign Operations, Amount |  |  | $ 0 | $ 148

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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 difference between statutory income tax rates in foreign jurisdictions and the domestic federal statutory income tax rate on foreign earnings that are not expected to be permanently reinvested in the foreign country. + References No definition available. + Details
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