STOCK-BASED COMPENSATION (Details) (USD $)	3 Months Ended			6 Months Ended				12 Months Ended
	Jul. 31, 2012		Jul. 31, 2011	Jul. 31, 2012		Jul. 31, 2011		Jan. 31, 2012
STOCK-BASED COMPENSATION [Abstract]
Increase in the number of shares of Class A Common Stock reserved for issuance (in shares)	2,000,000			2,000,000
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based Compensation	$ 1,428,000		$ 1,162,000	$ 2,467,000		$ 2,274,000
SARs [Member]
Weighted average assumptions used to value Option/SAR [Abstract]
Expected life				4 years 7 months 13 days	[1]	3 years 9 months 22 days	[1]
Risk free interest rate (in hundredths)				0.69%	[2]	1.17%	[2]
Volatility (in hundredths)				61.00%	[3]	66.00%	[3]
Dividend rate (in hundredths)				2.25%	[4]	2.38%	[4]
Stock Options/SARs [Roll Forward]
Outstanding at beginning of period (in shares)				2,871,000		2,653,000		2,653,000
Granted (in shares)				564,000				502,000
Exercised (in shares)				(196,000)				(164,000)
Expired (in shares)				(216,000)				(46,000)
Forfeited (in shares)				(19,000)				(74,000)
Outstanding at end of period (in shares)	3,004,000			3,004,000				2,871,000
Vested and expected to vest (in shares)	2,924,000	[5]		2,924,000	[5]
Vested and exercisable (in shares)	1,410,000			1,410,000
Weighted Average Exercise Price per Share [Abstract]
Outstanding at beginning of period (in dollars per shares)				$ 11.34		$ 11.33		$ 11.33
Granted (in dollars per shares)				$ 12.90				$ 10.28
Exercised (in dollars per shares)				$ 8.21				$ 8.08
Expired (in dollars per shares)				$ 22.52				$ 14.28
Forfeited (in dollars per shares)				$ 9.54				$ 9.26
Outstanding at end of period (in dollars per shares)	$ 11.04			$ 11.04				$ 11.34
Vested and expected to vest (in dollars per share)	$ 11.05	[5]		$ 11.05	[5]
Vested and exercisable (in dollars per share)	$ 11.33			$ 11.33
Additional disclosures [Abstract]
Weighted average remaining contractual term, outstanding at end of period				5 years 2 months 12 days
Weighted average remaining contractual term, vested and expected to vest at end of period				5 years 2 months 12 days	[5]
Weighted average remaining contractual term, vested and exercisable at end of period				3 years 4 months 24 days
Aggregate intrinsic value, outstanding at end of period	9,308,000			9,308,000
Aggregate intrinsic value, vested and expected to vest at end of period	9,054,000	[5]		9,054,000	[5]
Aggregate intrinsic value, vested and exercisable at end of period	4,360,000			4,360,000
Total intrinsic value of stock options or SARs exercised	300,000		100,000	1,000,000		200,000
Weighted average grant date fair value of SARs granted	$ 5.38		$ 4.15	$ 5.38		$ 4.14
Number of shares withheld for payment of taxes (in shares)	7,000			26,000
Value of shares withheld for payment of taxes	90,000			353,000
Total unrecognized compensation cost	6,600,000			6,600,000
Weighted-average period to recognize total unrecognized compensation cost				2 years 10 months 24 days
RSUs [Member]
Additional disclosures [Abstract]
Number of shares withheld for payment of taxes (in shares)	30,000			35,000
Value of shares withheld for payment of taxes	359,000			433,000
Total unrecognized compensation cost	3,600,000			3,600,000
Weighted-average period to recognize total unrecognized compensation cost				3 years
Summary of activity of RSUs [Roll Forward]
Restricted stock at beginning of period (in shares)				414,000		435,000		435,000
Granted (in shares)				198,000				174,000
Vested (in shares)				(161,000)	[6]			(178,000)	[6]
Forfeited (in shares)				(3,000)				(17,000)
Restricted stock at end of period (in shares)	448,000			448,000				414,000
Weighted Average Grant Date Fair Value [Abstract]
Restricted stock at beginning of period (in dollars per share)				$ 9.32		$ 10.02		$ 10.02
Granted (in dollars per share)				$ 12.20				$ 9.32
Vested (in dollars per share)				$ 10.00	[6]			$ 11.02	[6]
Forfeited (in dollars per share)				$ 10.46				$ 9.35
Restricted stock at end of period (in dollars per share)	$ 10.34			$ 10.34				$ 9.32
Cost of Maintenance, Subscription and Other Revenue [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based Compensation	60,000		59,000	108,000		111,000
Cost of Professional Services [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based Compensation	139,000		170,000	250,000		295,000
Sales and Marketing [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based Compensation	249,000		227,000	436,000		437,000
Research and Development [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based Compensation	197,000		188,000	350,000		355,000
General and Administrative [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based Compensation	$ 783,000		$ 518,000	$ 1,323,000		$ 1,076,000

[1] The expected life of SARs granted under the stock-based compensation plans is based on historical vested stock option and SAR exercise and post-vest forfeiture patterns and includes an estimate of the expected term for stock options and SARs that were fully vested and outstanding.

[2] The risk-free interest rate is based on the U.S. Treasury yield for a term consistent with the expected life of SARs in effect at the time of grant

[3] The Company estimates the volatility of its common stock at the date of grant based on the historical volatility of the Company's common stock for a period equivalent to the expected life of the SARs, which it believes is representative of the expected volatility over the expected life of the SARs.

[4] The Company expects to continue paying quarterly dividends at the same rate as the three months ending on July 31, 2012.

[5] The expected-to-vest SARs are the result of applying the pre-vesting forfeiture rate assumptions to total outstanding SARs.

[6] The number of RSUs vested includes shares withheld on behalf of employees to satisfy statutory tax withholding requirements.