ACCUMULATED OTHER COMPREHENSIVE LOSS (Details) $ in Thousands	3 Months Ended
	Apr. 30, 2016 USD ($)
Accumulated Other Comprehensive Income Loss [Line Items]
Balance as of beginning of period	$ (8,729)
Balance as of end of period	(8,123)
Foreign Currency Translation Adjustments [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Balance as of beginning of period	(8,729)
Other comprehensive income before reclassifications	606
Amounts reclassified from accumulated other comprehensive loss	0
Net current period other comprehensive loss	606
Balance as of end of period	$ (8,123)