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Income Taxes (Schedule Of Effective Income Tax Rate For Continuing Operations) (Details) - USD ($) | 6 Months Ended
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Jun. 30, 2018 | Jun. 30, 2017
Income Tax Disclosure [Abstract] |  |
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount | $ 8,971,000 | $ 18,603,000
Income tax expense at federal statutory rate | 21.00% | 35.00%
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount | $ 669,000 | $ 876,000
State taxes, net of federal income tax benefit | 1.20% | 1.20%
Income tax contingency accruals and tax settlements | 0.20% | 0.20%
Effective Income Tax Rate Reconciliation, Prior Year Income Taxes, Amount | $ (34,000) | $ 132,000
Unremitted earnings from foreign operations | 0.00% | (0.20%)
Effective Income Tax Rate Reconciliation Capital Loss Carryforwards Valuation Allowance, Amount | $ 91,000.000 | $ 0.000
Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Amount | 0.00% | (0.80%)
Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount | $ (188,000) | $ (285,000)
Changes in estimates related to prior year tax provision | (0.10%) | 0.20%
Effective Income Tax Rate Reconciliation Unremitted Earnings From Foreign Operations, Amount | $ (0.000) | $ 113,000.000
Non-deductible expenses | 0.30% | 0.40%
Valuation allowance for foreign operating loss carry-forwards | (0.90%) | 0.50%
Research and development tax credit | (0.40%) | (0.50%)
Foreign rate differences | 1.60% | 1.80%
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount | $ 537,000 | $ 615,000
Foreign tax incentives | (1.50%) | 0.00%
effective income tax rate reconciliation, valuation allowance due to foreign losses | $ (383,000) | $ 275,000
Valuation allowance for capital loss carry-forwards | 0.20% | 0.00%
Effective Income Tax Rate Reconciliation, Deduction, Qualified Production Activity, Amount | $ 0 | $ (390,000)
Domestic production activities deduction | 0.00% | (0.70%)
Effective Income Tax Rate Reconciliation, Deduction, Amount | $ 9,834,000.000 | $ 5,246,000.000
Effective income tax rate for income from continuing operations | 23.00% | 9.90%
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Compensation Cost, Amount | $ 176,000 | $ 182,000
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Compensation Cost, Percent | 0.40% | 0.30%
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount | $ 123,000.000 | $ 229,000.000
Effective Income Tax Rate Reconciliation, Tax Settlement, Other, Amount | 100,000 | 118,000
Increase in value of kaléo investment held abroad | $ 0 | $ 2,326,000
Increase In Value Of kaléo Investment Held Abroad, Percentage | 0.00% | (4.40%)
Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Amount | $ 0 | $ 413,000
Effective Income Tax Rate Reconciliation Amount - FDII | $ (309,000) | $ 0
Effective Income Tax Rate Reconciliation Percent - FDII | (0.70%) | 0.00%
Effective Income Tax Rate Reconciliation, Tax Credit, Amount | $ (655,000) | $ 0
Effective Income Tax Rate Reconciliation, escrow settlement, amount |  | $ 4,200,000.000
Effective Tax Rate Reconciliation, Escrow Settlement |  | (7.90%)
Effective Tax Rate Reconciliation Worthless Stock Deductions, Amount | (0.000) | $ (8,057,000.000)
Effective Tax Rate Reconciliation Worthless Stock |  | (15.20%)
Effective Income Tax Rate Reconciliation - U.S. Tax on Foreign Branch Income | $ 736,000 | $ 0
Effective Income Tax Rate Reconciliation - U.S. Tax on Foreign Branch Income - Percentage | 1.70% | 0.00%

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- Definition The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from 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 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 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)(2)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 3: 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 + 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 nondeductible expenses. + 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 + 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 revisions of previously reported 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 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 Reference 2: 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 + 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 repatriation of foreign earnings. + References Reference 1: 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 2: 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 + Details
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