Condensed Statements Of Income (USD $) In Thousands, except Per Share data	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Revenues:
Software licenses	$ 7,631	$ 9,260	$ 22,761	$ 26,444
Subscriptions	7,989	6,020	22,230	17,080
Software services	17,644	16,718	52,400	52,280
Maintenance	37,011	34,729	107,579	101,357
Appraisal services	5,761	5,612	17,945	14,812
Hardware and other	1,148	1,430	4,397	4,216
Total revenues	77,184	73,769	227,312	216,189
Cost of revenues:
Software licenses	536	912	2,320	2,471
Acquired software	243	398	782	1,194
Software services, maintenance and subscriptions	35,689	34,708	106,371	104,184
Appraisal services	3,776	3,434	11,302	9,442
Hardware and other	808	1,110	3,645	3,197
Total cost of revenues	41,052	40,562	124,420	120,488
Gross profit	36,132	33,207	102,892	95,701
Selling, general and administrative expenses	18,755	17,337	54,509	52,337
Research and development expense	4,196	3,233	13,780	10,493
Amortization of customer and trade name intangibles	801	806	2,408	2,419
Operating income	12,380	11,831	32,195	30,452
Other expense, net	(562)	(568)	(1,586)	(712)
Income before income taxes	11,818	11,263	30,609	29,740
Income tax provision	4,312	4,540	11,751	11,896
Net income	$ 7,506	$ 6,723	$ 18,858	$ 17,844
Earnings per common share:
Basic	$ 0.24	$ 0.20	$ 0.60	$ 0.52
Diluted	$ 0.23	$ 0.19	$ 0.57	$ 0.50
Basic weighted average common shares outstanding	31,097	34,103	31,247	34,075
Diluted weighted average common shares outstanding	32,960	35,410	33,027	35,475