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Operating Efficiency Initiatives and Other Items (Details)
$ in Thousands
6 Months Ended
Jul. 31, 2017
USD ($)
Restructuring Cost And Reserve [Line Items]  
Balance at January 31, 2017 $ 408
Cash payments (66)
Foreign exchange 14
Accrued balance at July 31, 2017 356
Severance  
Restructuring Cost And Reserve [Line Items]  
Balance at January 31, 2017 78
Cash payments (1)
Foreign exchange 4
Accrued balance at July 31, 2017 81
Occupancy charges  
Restructuring Cost And Reserve [Line Items]  
Balance at January 31, 2017 330
Cash payments (65)
Foreign exchange 10
Accrued balance at July 31, 2017 $ 275