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Restructuring Charges (Tables)
 9 Months Ended
Oct. 31, 2015
Restructuring Charges [Abstract]  
Summary of restructuring activities related primarily to severance
The following table summarizes restructuring activities related primarily to severance during the fiscal year ended January 31, 2015 and nine months ended October 31, 2015 (in thousands):
 
Total
Balance at February 1, 2014
$
4,578

Cash payments
(2,952
)
Foreign currency and other adjustments
(1,350
)
Balance at January 31, 2015
$
276

Cash payments
(172
)
Foreign currency and other adjustments
(67
)
Balance at October 31, 2015
$
37