INCOME TAXES (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Apr. 30, 2015
Income Tax Contingency [Line Items]
Unrecognized tax benefits	$ 1.9
Reduction of unrecognized tax benefits	(1.4)
Reduction of deferred tax assets	(1.4)
Unrecognized tax benefits recognized in next twelve months	0.3
Unrecognized tax benefits, income tax penalties and interest accrued	$ 0.2
India [Member]
Income Tax Contingency [Line Items]
Years in which the company is currently under audit	fiscal years ended March 31, 1998, 1999, 2008, 2009, 2010, 2012 and 2013
Years for which the company settled audits	fiscal year ended March 31, 2008
California [Member]
Income Tax Contingency [Line Items]
Years in which the company is currently under audit	fiscal year ended 2004
Minnesota [Member]
Income Tax Contingency [Line Items]
Years in which the company is currently under audit	fiscal years ended 2010, 2011, 2012, 2013