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Operating Efficiency Initiatives and Other Items (Details)
$ in Thousands
 6 Months Ended
Jul. 31, 2016
USD ($)
Restructuring Cost And Reserve [Line Items]  
Balance at January 31, 2016 $ 990
Foreign exchange 302
Non-cash adjustments (77)
Cash payments (708)
Accrued balance at July 31, 2016 507
Severance  
Restructuring Cost And Reserve [Line Items]  
Balance at January 31, 2016 631
Foreign exchange 172
Non-cash adjustments (77)
Cash payments (621)
Accrued balance at July 31, 2016 105
Occupancy charges  
Restructuring Cost And Reserve [Line Items]  
Balance at January 31, 2016 359
Foreign exchange 130
Cash payments (87)
Accrued balance at July 31, 2016 $ 402