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Accumulated Other Comprehensive Loss (Tables)
 12 Months Ended
Jan. 31, 2017
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]  
Schedule of Accumulated Other Comprehensive Loss
The following table summarizes the components of accumulated other comprehensive loss, net of tax effects:
As of January 31,
2017
 
2016
Foreign currency translation adjustment
$
(25,461
)
 
$
(21,013
)
Unrealized loss on derivatives
(20
)
 
(36
)
Pension liability
(84
)
 
(51
)
Total accumulated other comprehensive loss
$
(25,565
)
 
$
(21,100
)