CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Revenues:
Total revenues	$ 276,541	$ 247,066
Cost of revenues:
Total cost of revenues	147,410	131,018
Gross profit	129,131	116,048
Selling, general and administrative expenses	67,485	57,766
Research and development expense	22,361	18,941
Amortization of other intangibles	5,392	4,850
Operating income	33,893	34,491
Other income, net	990	586
Income before income taxes	34,883	35,077
Income tax (benefit) provision	(12,667)	7,729
Net income	$ 47,550	$ 27,348
Earnings per common share:
Basic (usd per share)	$ 1.20	$ 0.71
Diluted (usd per share)	$ 1.16	$ 0.69
Software licenses and royalties
Revenues:
Total revenues	$ 18,737	$ 21,793
Cost of revenues:
Total cost of revenues	740	818
Subscriptions
Revenues:
Total revenues	81,723	67,275
Acquired software
Cost of revenues:
Total cost of revenues	8,027	6,682
Software services
Revenues:
Total revenues	52,133	48,443
Software services, maintenance and subscriptions
Cost of revenues:
Total cost of revenues	131,779	117,160
Maintenance
Revenues:
Total revenues	114,365	100,152
Appraisal services
Revenues:
Total revenues	5,763	5,214
Cost of revenues:
Total cost of revenues	4,385	3,452
Hardware and other
Revenues:
Total revenues	3,820	4,189
Cost of revenues:
Total cost of revenues	$ 2,479	$ 2,906