CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Revenues:
Software licenses and royalties	$ 19,930	$ 15,690	$ 54,331	$ 44,576
Subscriptions	36,869	29,036	104,926	81,273
Software services	44,738	36,398	133,208	101,765
Maintenance	83,000	61,018	237,775	177,829
Appraisal services	6,541	6,557	20,083	19,337
Hardware and other	3,419	2,146	12,439	7,326
Total revenues	194,497	150,845	562,762	432,106
Cost of revenues:
Software licenses and royalties	623	147	1,927	1,183
Acquired software	5,598	552	16,737	1,464
Software services, maintenance and subscriptions	88,623	72,764	260,610	207,819
Appraisal services	4,053	3,984	12,473	12,397
Hardware and other	2,120	1,565	8,481	5,278
Total cost of revenues	101,017	79,012	300,228	228,141
Gross profit	93,480	71,833	262,534	203,965
Selling, general and administrative expenses	42,007	31,869	124,998	90,810
Research and development expense	11,070	7,193	31,362	21,307
Amortization of customer and trade name intangibles	3,458	1,282	10,273	3,585
Operating income	36,945	31,489	95,901	88,263
Other (expense) income, net	(526)	255	(1,713)	621
Income before income taxes	36,419	31,744	94,188	88,884
Income tax provision	14,155	11,602	35,973	32,633
Net income	$ 22,264	$ 20,142	$ 58,215	$ 56,251
Earnings per common share:
Basic	$ 0.61	$ 0.59	$ 1.60	$ 1.66
Diluted	$ 0.58	$ 0.55	$ 1.51	$ 1.56