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DEBT USD-Denominated Line of Credit (Details) - Line Of Credit, USD-Denominated Line of Credit [Member]
$ in Millions
6 Months Ended
Jul. 31, 2016
USD ($)
Line of Credit Facility [Line Items]  
Line of credit facility, maximum borrowing capacity $ 3.7
Debt instrument, basis spread on variable rate 3.00%
Maximum amount of borrowings outstanding during the period $ 3.3