CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Oct. 31, 2011	Jan. 31, 2011
Current assets:
Cash and cash equivalents	$ 70,658	$ 73,145
Restricted cash	1,200	1,332
Marketable securities	11,862	7,340
Accounts receivable, net of allowance for doubtful accounts of $873 and $995, respectively	42,814	48,843
Unbilled receivables	4,933	5,644
Inventories, net	13,313	14,393
Prepaid expenses and other current assets	6,698	7,148
Deferred tax assets	3,223	3,775
Total current assets	154,701	161,620
Property and equipment, net	34,865	36,381
Marketable securities, long-term	5,157	4,379
Investments in affiliates	3,166	2,913
Intangible assets, net	26,465	30,306
Goodwill	66,596	65,273
Other assets	1,860	2,163
Deferred tax assets, long-term	2,200	2,156
Total assets	295,010	305,191
Current liabilities:
Accounts payable	6,716	11,249
Other accrued expenses	16,297	16,528
Customer deposits	1,963	3,993
Deferred revenues	30,153	37,039
Deferred tax liabilities	67	183
Total current liabilities	55,196	68,992
Deferred revenue, long-term	4,946	6,930
Other liabilities, long-term	7,234	11,231
Distribution and losses in excess of investment	1,061	1,161
Taxes payable, long-term	2,661	3,013
Deferred tax liabilities, long-term	4,910	4,722
Total liabilities	76,008	96,049
Stockholders Equity:
Convertible preferred stock, $0.01 par value, 5,000,000 shares authorized, none issued or outstanding
Common stock, $0.01 par value;100,000,000 shares authorized; 32,198,753 and 31,876,815 shares issued; 32,158,969 and 31,837,031 shares outstanding, respectively	323	319
Additional paid-in capital	213,543	207,121
Treasury stock, at cost 39,784 common shares	(1)	(1)
Accumulated earnings	11,333	10,521
Accumulated other comprehensive loss	(6,196)	(8,818)
Total stockholders' equity	219,002	209,142
Total liabilities and stockholders' equity	$ 295,010	$ 305,191