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Income Taxes (Tables)
 9 Months Ended
Dec. 31, 2012
Income Tax Expense (Benefit) [Abstract]  
Effective tax rates from continuing operations
The following table compares our income tax expense (benefit) and effective tax rates for the three months and nine months ended December 31, 2012 and 2011:
 
Three months ended
 
Nine months ended
 
December 31,
 
December 31,
(Dollars in thousands)
2012
2011
 
2012
2011
Income tax expense (benefit)
$
19

$
(1,353
)
 
$
(69
)
$
(6,209
)
Effective tax rate
3.7
%
19
%
 
4.1
%
27.7
%