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Income Taxes (Tables)
 6 Months Ended
Sep. 30, 2015
Income Tax Disclosure [Abstract]  
Effective tax rates from continuing operations
The following table compares our income tax benefit and effective tax rates for the three and six months ended September 30, 2015 and 2014:
 
Three months ended
 
Six months ended
 
September 30,
 
September 30,
(Dollars in thousands)
2015
 
2014
 
2015
 
2014
Income tax benefit
$
(19
)

$
81

 
$
(44
)

$
(714
)
Effective tax rate
4.9
%

(7.7
)%
 
7.4
%

17.5
%