CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Revenues:
Total revenues	$ 494,684	$ 473,191	$ 1,470,817	$ 1,397,983
Cost of revenues:
Total cost of revenues	269,524	268,528	822,643	807,453
Gross profit	225,160	204,663	648,174	590,530
Sales and marketing expense	35,898	33,688	110,104	100,776
General and administrative expense	78,519	69,931	228,560	200,440
Research and development expense	28,282	25,190	83,421	72,517
Amortization of other intangibles	18,526	14,941	55,300	43,259
Operating income	63,935	60,913	170,789	173,538
Interest expense	(5,808)	(9,258)	(19,879)	(20,276)
Other income, net	787	131	2,676	712
Income before income taxes	58,914	51,786	153,586	153,974
Income tax provision (benefit)	11,903	(1,447)	26,570	20,811
Net income	$ 47,011	$ 53,233	$ 127,016	$ 133,163
Earnings per common share:
Basic (in usd per share)	$ 1.12	$ 1.28	$ 3.02	$ 3.21
Diluted (in usd per share)	$ 1.10	$ 1.26	$ 2.97	$ 3.14
Subscriptions
Revenues:
Total revenues	$ 295,190	$ 254,346	$ 873,444	$ 755,604
Maintenance
Revenues:
Total revenues	117,484	117,338	349,154	351,182
Professional services
Revenues:
Total revenues	61,126	71,818	188,475	213,770
Software licenses and royalties
Revenues:
Total revenues	10,554	20,269	30,463	51,784
Cost of revenues:
Total cost of revenues	3,120	1,655	7,865	4,647
Hardware and other
Revenues:
Total revenues	10,330	9,420	29,281	25,643
Cost of revenues:
Total cost of revenues	6,505	6,033	23,346	19,219
Subscriptions, maintenance, and professional services
Cost of revenues:
Total cost of revenues	247,781	245,711	755,985	738,712
Amortization of software development
Cost of revenues:
Total cost of revenues	3,083	1,507	8,568	3,993
Amortization of acquired software
Cost of revenues:
Total cost of revenues	$ 9,035	$ 13,622	$ 26,879	$ 40,882