CONDENSED CONSOLIDATED BALANCE SHEETS (unaudited) (USD $) In Thousands, unless otherwise specified	Apr. 30, 2012	Jan. 31, 2012
Current assets:
Cash and equivalents	$ 78,353	$ 76,927
Accounts receivable, net	45,103	64,757
Deferred tax assets, net	4,354	4,355
Other current assets	13,167	11,853
Total current assets	140,977	157,892
Property and equipment, net	32,880	33,139
Capitalized software costs, net	589	583
Goodwill	6,426	6,412
Deferred tax assets, net	17,959	17,285
Other assets, net	2,791	2,834
Total assets	201,622	218,145
Current liabilities:
Current portion of long-term debt	330	321
Accounts payable	6,627	9,724
Deferred revenue	85,697	93,871
Other current liabilities	25,965	31,099
Total current liabilities	118,619	135,015
Long-term debt	15,724	15,813
Other liabilities	5,271	5,302
Commitments and contingencies
Stockholders' equity:
Preferred stock, $0.001 par value. Authorized 5,000,000 shares; none issued or outstanding	0	0
Common stock:
Additional paid-in capital	149,065	148,993
Treasury stock, at cost (1,862,405 shares and 1,804,137 shares at April 30, 2012 and January 31, 2012, respectively)	(28,598)	(27,968)
Accumulated deficit	(48,568)	(48,974)
Accumulated other comprehensive loss	(9,909)	(10,054)
Total stockholders' equity	62,008	62,015
Total liabilities and stockholders' equity	201,622	218,145
Common Class A [Member]
Common stock:
Class A, $0.001 par value. Authorized 71,000,000 shares; issued 14,146,837 shares and 14,146,418 shares at April 30, 2012 and January 31, 2012, respectively	14	14
Class B, $0.001 par value. Authorized 4,000,000 shares; issued 3,536,663 shares and 3,536,609 shares at April 30, 2012 and January 31, 2012, respectively	14	14
Common Class B [Member]
Common stock:
Class A, $0.001 par value. Authorized 71,000,000 shares; issued 14,146,837 shares and 14,146,418 shares at April 30, 2012 and January 31, 2012, respectively	4	4
Class B, $0.001 par value. Authorized 4,000,000 shares; issued 3,536,663 shares and 3,536,609 shares at April 30, 2012 and January 31, 2012, respectively	$ 4	$ 4