Condensed Statements Of Income (USD $) In Thousands, except Per Share data	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Revenues:
Software licenses	$ 8,308	$ 8,735	$ 15,130	$ 17,184
Subscriptions	7,277	5,807	14,241	11,060
Software services	17,992	18,506	34,756	35,562
Maintenance	35,056	33,212	70,568	66,628
Appraisal services	5,987	4,925	12,184	9,200
Hardware and other	2,115	1,415	3,249	2,786
Total revenues	76,735	72,600	150,128	142,420
Cost of revenues:
Software licenses	989	852	1,784	1,559
Acquired software	244	398	539	796
Software services, maintenance and subscriptions	35,502	34,595	70,682	69,476
Appraisal services	3,702	3,131	7,526	6,008
Hardware and other	2,161	1,149	2,837	2,087
Total cost of revenues	42,598	40,125	83,368	79,926
Gross profit	34,137	32,475	66,760	62,494
Selling, general and administrative expenses	18,466	17,439	35,754	35,000
Research and development expense	5,035	3,744	9,584	7,260
Amortization of customer and trade name intangibles	803	807	1,607	1,613
Operating income	9,833	10,485	19,815	18,621
Other expense, net	(524)	(102)	(1,024)	(144)
Income before income taxes	9,309	10,383	18,791	18,477
Income tax provision	3,685	4,134	7,439	7,356
Net income	$ 5,624	$ 6,249	$ 11,352	$ 11,121
Earnings per common share:
Basic	$ 0.18	$ 0.18	$ 0.36	$ 0.32
Diluted	$ 0.17	$ 0.17	$ 0.34	$ 0.31
Basic weighted average common shares outstanding	32,005	34,862	31,912	34,815
Diluted weighted average common shares outstanding	33,848	36,203	33,650	36,262