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Accumulated Other Comprehensive Loss (Tables)
 12 Months Ended
Jan. 31, 2016
Schedule of Accumulated Other Comprehensive Loss
The following table summarizes the components of accumulated other comprehensive loss, net of tax:
As of January 31,
2016
 
2015
Foreign currency translation adjustment
$
(21,013
)
 
$
(12,044
)
Unrealized gain (loss) on derivatives
(36
)
 
42

Pension liability
(51
)
 
115

Total accumulated other comprehensive loss
$
(21,100
)
 
$
(11,887
)