OTHER BALANCE SHEET ACCOUNTS (Details) (USD $) In Thousands, unless otherwise specified	Jan. 31, 2013	Jan. 31, 2012
Accounts receivable, net
Accounts receivable	$ 75,074	$ 67,224
Less allowance for:
Doubtful accounts	(1,474)	(1,283)
Sales adjustments	(1,036)	(1,184)
Accounts receivable, net	72,564	64,757
Other current assets
Deferred cost of revenues	8,561	7,770
Prepaid expenses	4,331	3,330
Other	914	753
Other current assets	13,806	11,853
Other assets, net
Other intangibles, net	3,302	0
Other long-term assets	2,304	2,834
Other assets, net	5,606	2,834
Accounts payable
Trade payables	7,608	6,399
VAT payable	4,929	3,325
Accounts payable	12,537	9,724
Other current liabilities
Accrued commissions and bonus	11,652	10,562
Accrued compensated absences	8,261	7,255
Other accrued payroll	3,252	2,794
Accrued professional fees	1,476	1,519
Accrued travel	1,219	1,297
Dividends payable	1,087	1,099
Income tax payable, net of receivables	9	1,855
Other current liabilities	4,459	4,718
Total	31,415	31,099
Other liabilities
Long-term tax contingency reserve	2,374	2,312
Long-term deferred revenue	600	1,280
Other	3,785	1,710
Other liabilities	$ 6,759	$ 5,302