STOCK-BASED COMPENSATION (Details) (USD $)	12 Months Ended
	Jan. 31, 2014		Jan. 31, 2013		Jan. 31, 2012
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based compensation	$ 4,680,000		$ 4,608,000		$ 4,507,000
Excess tax benefits from stock awards	72,000		462,000		33,000
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period	4 years
Weighted average assumptions used to value Option/SAR [Abstract]
Expected life in years	4 years 6 months 25 days		4 years 7 months 10 days		4 years 6 months 7 days
Risk free interest rate (in hundredths)	1.00%		0.69%		0.98%
Volatility (in hundredths)	53.00%		61.00%		67.00%
Dividend rate (in hundredths)	2.42%		2.25%		2.59%
Options/SARs [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Term of award	8 years
Annual award vesting (in hundredths)	25.00%
Stock Options/SARs [Roll Forward]
Outstanding at beginning of period (in shares)	2,920,000		2,871,000		2,653,000
Granted (in shares)	599,000		570,000		502,000
Exercised (in shares)	(404,000)		(272,000)		(164,000)
Expired (in shares)	(230,000)		(222,000)		(46,000)
Forfeited (in shares)	(43,000)		(27,000)		(74,000)
Outstanding at end of period (in shares)	2,842,000		2,920,000		2,871,000
Vested and expected to vest (in shares)	2,808,000	[1]
Vested and exercisable (in shares)	1,459,000
Weighted Average Exercise Price per Share [Abstract]
Outstanding at beginning of period (in dollars per shares)	$ 11.11		$ 11.34		$ 11.33
Granted (in dollars per share)	$ 11.73		$ 12.90		$ 10.28
Exercised (in dollars per shares)	$ 9.21		$ 8.34		$ 8.08
Expired (in dollars per shares)	$ 15.16		$ 22.26		$ 14.28
Forfeited (in dollars per shares)	$ 10.68		$ 9.49		$ 9.26
Outstanding at end of period (in dollars per shares)	$ 11.19		$ 11.11		$ 11.34
Vested and expected to vest (in dollars per share)	$ 11.18	[1]
Vested and exercisable (in dollars per share)	$ 10.83
Additional disclosures [Abstract]
Weighted average remaining contractual term, outstanding at end of period	5 years
Weighted average remaining contractual term, vested and expected to vest at end of period	5 years	[1]
Weighted average remaining contractual term, vested and exercisable at end of period	3 years 6 months
Aggregate intrinsic value, outstanding at end of period	19,087,000
Aggregate intrinsic value, vested and expected to vest at end of period	18,877,000	[1]
Aggregate intrinsic value, vested and exercisable at end of period	10,214,000
SARs [Member]
Additional disclosures [Abstract]
Number of shares withheld for payment of taxes (in shares)	49,000		35,000		13,000
Value of shares withheld for payment of taxes	710,000		475,000		144,000
Total unrecognized compensation cost	4,900,000
Weighted-average period to recognize total unrecognized compensation cost	2 years 7 months 6 days
New SARs [Member]
Additional disclosures [Abstract]
Weighted average grant date fair value of SARs granted (in dollars per share)	$ 4.24		$ 5.37		$ 4.51
RSUs [Member]
Additional disclosures [Abstract]
Number of shares withheld for payment of taxes (in shares)	47,000		57,000		58,000
Value of shares withheld for payment of taxes	600,000		700,000		600,000
Total unrecognized compensation cost	3,500,000
Weighted-average period to recognize total unrecognized compensation cost	2 years 8 months 12 days
Summary of activity of RSUs [Roll Forward]
Restricted stock at beginning of period (in shares)	385,000		414,000		435,000
Granted (in shares)	231,000		200,000		174,000
Released (in shares)	(165,000)	[2]	(223,000)	[2]	(178,000)	[2]
Forfeited (in shares)	(21,000)		(6,000)		(17,000)
Restricted stock at end of period (in shares)	430,000		385,000		414,000
Weighted Average Grant Date Fair Value [Abstract]
Restricted stock at beginning of period (in dollars per share)	$ 10.49		$ 9.32		$ 10.02
Granted (in dollars per share)	$ 11.20		$ 12.20		$ 9.32
Released (in dollars per share)	$ 10.05	[2]	$ 9.84	[2]	$ 11.02	[2]
Forfeited (in dollars per share)	$ 11.14		$ 10.99		$ 9.35
Restricted stock at end of period (in dollars per share)	$ 11.02		$ 10.49		$ 9.32
Common Class B [Member] | RSUs [Member]
Stock Options/SARs [Roll Forward]
Outstanding at end of period (in shares)	5,000
2006 Stock Incentive Program [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized (in shares)	4,150,000
2006 Stock Incentive Program [Member] | Options/SARs [Member]
Additional disclosures [Abstract]
Total intrinsic value of stock options or SARs exercised	2,100,000		1,400,000		500,000
2006 Stock Incentive Program [Member] | RSUs [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Annual award vesting (in hundredths)	25.00%
Award vesting period	4 years
2006 Stock Incentive Program [Member] | Common Class A [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized (in shares)	3,320,000
Number of shares available for issuance (in shares)	1,755,000
2006 Stock Incentive Program [Member] | Common Class A [Member] | Options/SARs [Member]
Stock Options/SARs [Roll Forward]
Outstanding at end of period (in shares)	2,444,000
2006 Stock Incentive Program [Member] | Common Class A [Member] | RSUs [Member]
Stock Options/SARs [Roll Forward]
Outstanding at end of period (in shares)	425,000
2006 Stock Incentive Program [Member] | Common Class B [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized (in shares)	830,000
Number of shares available for issuance (in shares)	310,000
2006 Stock Incentive Program [Member] | Common Class B [Member] | Options/SARs [Member]
Stock Options/SARs [Roll Forward]
Outstanding at end of period (in shares)	382,000
Amendment to 2006 Stock Incentive Program [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for issuance (in shares)			2,000,000
Non-Statutory Stock Options [Member] | Common Class A [Member]
Stock Options/SARs [Roll Forward]
Outstanding at end of period (in shares)	13,000
Non-Statutory Stock Options [Member] | Common Class B [Member]
Stock Options/SARs [Roll Forward]
Outstanding at end of period (in shares)	3,000
Cost of Maintenance, Subscription and Other Revenue [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based compensation	201,000		197,000		221,000
Cost of Professional Services [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based compensation	476,000		482,000		526,000
Sales and Marketing [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based compensation	858,000		835,000		813,000
Research and Development [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based compensation	628,000		658,000		667,000
General and Administrative [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based compensation	$ 2,517,000		$ 2,436,000		$ 2,280,000

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

[2] The number of RSUs released includes shares withheld on behalf of employees to satisfy minimum statutory tax withholding requirements. During the fiscal years ended January 31, 2014, 2013 and 2012, the Company withheld 46,000 shares, 57,000 shares and 58,000 shares, respectively, for payment of these taxes. The value of the withheld shares for the fiscal years ended January 31, 2014, 2013 and 2012 were $0.6 million, $0.7 million and $0.6 million, respectively.