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Income Taxes (Tables) | 3 Months Ended
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Mar. 31, 2018
Income Tax Disclosure [Abstract] |
Schedule Of Effective Income Tax Rate For Continuing Operations | he significant differences between the U.S. federal statutory rate and the effective income tax rate for the three months ended March 31, 2018 and 2017 are as follows:
(In thousands, except percentages) | 2018 |  | 2017
Three Months Ended March 31, | Amount |  | % |  | Amount |  | %
Income tax expense at federal statutory rate | $ | 4,925 |  |  | 21.0 |  |  | $ | 2,142 |  |  | 35.0 |
Foreign rate differences | 578 |  |  | 2.4 |  |  | 362 |  |  | 5.9 |
State taxes, net of federal income tax benefit | 321 |  |  | 1.4 |  |  | 254 |  |  | 4.2 |
Stock-based compensation | 173 |  |  | 0.7 |  |  | 159 |  |  | 2.6 |
Non-deductible expenses | 84 |  |  | 0.4 |  |  | 118 |  |  | 1.9 |
Global Intangible Low Tax Income (GILTI) | 32 |  |  | 0.1 |  |  | — |  |  | — |
Tax contingency accruals and tax settlements | — |  |  | — |  |  | 72 |  |  | 1.2 |
Changes in estimates related to prior year tax provision | — |  |  | — |  |  | (38 | ) |  | (0.7 | )
Unremitted earnings from foreign operations | — |  |  | — |  |  | (67 | ) |  | (1.1 | )
Domestic production activities deduction | — |  |  | — |  |  | (171 | ) |  | (2.8 | )
Increase in value of kaleo investment held abroad | — |  |  | — |  |  | (406 | ) |  | (6.6 | )
Research and development tax credit | (100 | ) |  | (0.4 | ) |  | (147 | ) |  | (2.4 | )
Foreign Derived Intangible Income (FDII) | (153 | ) |  | (0.7 | ) |  | — |  |  | — |
Foreign tax incentives | (211 | ) |  | (0.9 | ) |  | — |  |  | — |
Valuation allowance due to foreign losses and impairments | (362 | ) |  | (1.5 | ) |  | 140 |  |  | 2.3 |
Effective income tax rate | $ | 5,287 |  |  | 22.5 |  |  | $ | 2,418 |  |  | 39.5 |

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- Definition Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying 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 + Details
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