FAIR VALUE MEASUREMENTS (Tables)

9 Months Ended

Oct. 31, 2014

FAIR VALUE MEASUREMENTS [Abstract]

Summary of financial assets and liabilities, measured at fair value

The following table sets forth the financial assets, measured at fair value, as of October 31, 2014 and January 31, 2014:

	Fair value measurement at reporting date using
	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)			Significant Unobservable Inputs (Level 3)
			(in thousands)
Money market mutual funds as of October 31, 2014	$	50,402
Money market mutual funds as of January 31, 2014	$	57,204
Liability related to the interest rate swap as of  October 31, 2014			$	(71	)
Asset related to the  interest rate swap as of January 31, 2014			$	250
Contingent liability associated with acquisitions as of October 31, 2014						$	(736	)
Contingent liability associated with acquisitions as of January 31, 2014						$	(1,178	)

Fair values of the derivative instrument

The fair values of the derivative instrument at October 31, 2014 and January 31, 2014 were as follows (in thousands):

	( Liability) Asset Derivative
			Fair Value
	Balance Sheet Location		October 31, 2014			January 31, 2014
Derivative instrument:
Interest rate swap	Other (liabilities) assets, net	$	(71	)	$	250
Total		$	(71	)	$	250