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Income Taxes (Tables)
 3 Months Ended
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