CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Revenues:
Software licenses and royalties	$ 14,586	$ 12,083	$ 28,886	$ 23,315
Subscriptions	26,949	20,934	52,237	41,441
Software services	34,563	30,128	65,367	54,435
Maintenance	59,463	51,951	116,811	102,191
Appraisal services	6,691	5,444	12,780	10,295
Hardware and other	4,043	3,831	5,180	5,320
Total revenues	146,295	124,371	281,261	236,997
Cost of revenues:
Software licenses and royalties	483	343	1,036	874
Acquired software	456	444	912	925
Software services, maintenance and subscriptions	69,678	58,274	135,055	113,273
Appraisal services	4,278	3,665	8,413	6,976
Hardware and other	3,147	3,087	3,713	3,861
Total cost of revenues	78,042	65,813	149,129	125,909
Gross profit	68,253	58,558	132,132	111,088
Selling, general and administrative expenses	30,396	27,419	58,941	52,786
Research and development expense	7,110	6,389	14,114	12,561
Amortization of customer and trade name intangibles	1,151	1,128	2,303	2,257
Operating income	29,596	23,622	56,774	43,484
Other income (expense), net	185	(216)	366	(475)
Income before income taxes	29,781	23,406	57,140	43,009
Income tax provision	10,945	8,666	21,031	16,386
Net income	$ 18,836	$ 14,740	$ 36,109	$ 26,623
Earnings per common share:
Basic	$ 0.56	$ 0.45	$ 1.07	$ 0.81
Diluted	$ 0.52	$ 0.42	$ 1.00	$ 0.75
Comprehensive income	$ 18,836	$ 14,740	$ 36,109	$ 26,623