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Income Taxes (Tables)
3 Months Ended
Apr. 30, 2018
Income Tax Disclosure [Abstract]  
Summary of Income Taxes

The following table provides details of income taxes for the periods indicated:

 

 

 

Three Months Ended April 30,

 

 

 

2018

 

 

2017

 

 

 

(in thousands)

 

Income (loss) before income taxes

 

$

(9,158

)

 

$

2,770

 

Provision for income taxes

 

 

848

 

 

 

206

 

Effective tax rate

 

(9.3)%

 

 

 

7.4

%