FAIR VALUE MEASUREMENTS (Tables)

3 Months Ended

Apr. 30, 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 April 30, 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    April 30, 2014	$	54,203
Money market mutual funds as of    January 31, 2014	$	57,204
Asset related to the interest rate swap as of April 30, 2014			$	204
Asset related to the interest rate swap as of January 31, 2014			$	250
Contingent liability associated with acquisitions as of April 30, 2014					$	(719	)
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 April 30, 2014 and January 31, 2014 were as follows (in thousands):

	Asset Derivative
		Fair Value
	Balance Sheet Location	April 30, 2014			January 31, 2014
Derivative instrument:
Interest rate swap	Other assets, net		$	204		$	250
Total			$	204		$	250