ACCUMULATED OTHER COMPREHENSIVE LOSS (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Oct. 31, 2013	Oct. 31, 2012	Oct. 31, 2013	Oct. 31, 2012
Accumulated Other Comprehensive Income Loss [Line Items]
Balance as of beginning of period			$ (8,036)
Other comprehensive income before reclassifications	(261)	556	130	626
Amounts reclassified from accumulated other comprehensive loss			0
Net current period other comprehensive income			130
Balance as of end of period	(7,906)		(7,906)
Foreign Currency Translation Adjustments [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Balance as of beginning of period			(8,036)
Other comprehensive income before reclassifications			130
Amounts reclassified from accumulated other comprehensive loss			0
Net current period other comprehensive income			130
Balance as of end of period	$ (7,906)		$ (7,906)