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Acquisitions (Details 2)
$ in Thousands
6 Months Ended
Jul. 31, 2017
USD ($)
Business Combination Segment Allocation [Line Items]  
Ending Balance $ 56,116
Olivia Burton Brand  
Business Combination Segment Allocation [Line Items]  
Acquisition of the Olivia Burton brand 55,322
Foreign exchange impact 794
Ending Balance $ 56,116