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Income Taxes (Tables)
 3 Months Ended
Jun. 30, 2018
Income Tax Disclosure [Abstract]  
Effective tax rates from continuing operations
The following table compares our income tax (benefit) expense and effective tax rates for the three months ended June 30, 2018 and 2017:
 
Three months ended
 
 
June 30,
 
(Dollars in thousands)
2018
 
2017
 
Income tax (benefit) expense
$
(49
)

$
78

 
Effective tax rate
2.7
%

(2.7
)%