STOCK-BASED COMPENSATION (Details) (USD $)	3 Months Ended			6 Months Ended
	Jul. 31, 2014		Jul. 31, 2013	Jul. 31, 2014		Jul. 31, 2013
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based compensation	$ 1,709,000		$ 1,550,000	$ 2,585,000		$ 2,494,000
Options/SARs [Member]
Weighted average assumptions used to value Option/SAR [Abstract]
Expected life in years				4 years 11 months 23 days	[1]	4 years 7 months 2 days	[1]
Risk free interest rate (in hundredths)				1.58%	[2]	1.00%	[2]
Volatility (in hundredths)				47.00%	[3]	53.00%	[3]
Dividend rate (in hundredths)				1.32%	[4]	2.42%	[4]
Stock Options/SARs [Roll Forward]
Outstanding at beginning of period (in shares)				2,842,000
Granted (in shares)				387,000
Exercised (in shares)				(561,000)
Expired (in shares)				(16,000)
Forfeited (in shares)				(47,000)
Outstanding at end of period (in shares)	2,605,000			2,605,000
Vested and expected to vest (in shares)	2,584,000	[5]		2,584,000	[5]
Vested and exercisable (in shares)	1,343,000			1,343,000
Weighted Average Exercise Price per Share [Abstract]
Outstanding at beginning of period (in dollars per shares)				$ 11.19
Granted (in dollars per share)				$ 21.61
Exercised (in dollars per shares)				$ 11.75
Expired (in dollars per shares)				$ 12.27
Forfeited (in dollars per shares)				$ 12.40
Outstanding at end of period (in dollars per shares)	$ 12.59			$ 12.59
Vested and expected to vest (in dollars per share)	$ 12.59	[5]		$ 12.59	[5]
Vested and exercisable (in dollars per share)	$ 10.51			$ 10.51
Additional disclosures [Abstract]
Weighted average remaining contractual term, outstanding at end of period				5 years 6 months
Weighted average remaining contractual term, vested and expected to vest at end of period				5 years 6 months	[5]
Weighted average remaining contractual term, vested and exercisable at end of period				4 years 4 months 24 days
Aggregate intrinsic value, outstanding at end of period	16,684,000			16,684,000
Aggregate intrinsic value, vested and expected to vest at end of period	16,544,000	[5]		16,544,000	[5]
Aggregate intrinsic value, vested and exercisable at end of period	10,684,000			10,684,000
Total intrinsic value of stock options or SARs exercised	4,700,000
Number of shares withheld for payment of taxes (in shares)	35,000			73,000
Value of shares withheld for payment of taxes	700,000			1,500,000
Total unrecognized compensation cost	6,700,000			6,700,000
Weighted-average period to recognize total unrecognized compensation cost				3 years
RSUs [Member]
Additional disclosures [Abstract]
Number of shares withheld for payment of taxes (in shares)	42,000			44,000
Value of shares withheld for payment of taxes	900,000			1,000,000
Total unrecognized compensation cost	6,800,000			6,800,000
Weighted-average period to recognize total unrecognized compensation cost				3 years 3 months 18 days
Summary of activity of RSUs [Roll Forward]
Restricted stock at beginning of period (in shares)				430,000
Granted (in shares)				259,000
Released (in shares)				(165,000)	[6]
Forfeited (in shares)				(36,000)
Restricted stock at end of period (in shares)	488,000			488,000
Weighted Average Grant Date Fair Value [Abstract]
Restricted stock at beginning of period (in dollars per share)				$ 11.02
Granted (in dollars per share)				$ 21.47
Released (in dollars per share)				$ 11.91	[6]
Forfeited (in dollars per share)				$ 13.43
Restricted stock at end of period (in dollars per share)	$ 16.09			$ 16.09
Cost of Maintenance, Subscription and Other Revenue [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based compensation	62,000		65,000	99,000		103,000
Cost of Professional Services [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based compensation	156,000		166,000	243,000		264,000
Sales and Marketing [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based compensation	257,000		283,000	384,000		451,000
Research and Development [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based compensation	176,000		214,000	268,000		352,000
General and Administrative [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based compensation	$ 1,058,000		$ 822,000	$ 1,591,000		$ 1,324,000

[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 April 30, 2014.

[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 released includes shares withheld on behalf of employees to satisfy statutory tax withholding requirements.