CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Revenue:
Total revenue	$ 458,795	$ 472,511	$ 1,464,841	$ 1,371,438
Cost of sales:
Amortization	20,707	17,281	60,404	51,947
Total cost of sales	65,257	61,967	201,249	189,214
Gross profit	393,538	410,544	1,263,592	1,182,224
Operating expenses:
Selling, general and administrative	194,552	175,283	585,278	515,421
Research and development	123,223	108,056	368,581	322,271
Amortization	5,947	3,821	16,598	11,975
Total operating expenses	323,722	287,160	970,457	849,667
Operating income	69,816	123,384	293,135	332,557
Interest income	4,909	1,345	12,389	2,141
Interest expense	(12,276)	(6,092)	(34,594)	(13,668)
Other income (expense), net	96	(656)	(3,564)	(2,126)
Income before income tax provision	62,545	117,981	267,366	318,904
Income tax provision	7,043	22,006	41,716	53,141
Net income	$ 55,502	$ 95,975	$ 225,650	$ 265,763
Earnings per share – basic:
Earnings per share	$ 0.64	$ 1.10	$ 2.60	$ 3.05
Weighted average shares	86,817	87,063	86,814	87,062
Earnings per share – diluted:
Earnings per share	$ 0.64	$ 1.10	$ 2.58	$ 3.04
Weighted average shares	87,381	87,418	87,335	87,496
Software licenses
Revenue:
Total revenue	$ 162,422	$ 208,906	$ 586,471	$ 575,332
Cost of sales:
Cost of sales:	8,692	8,425	29,095	25,370
Maintenance and service
Revenue:
Total revenue	296,373	263,605	878,370	796,106
Cost of sales:
Cost of sales:	$ 35,858	$ 36,261	$ 111,750	$ 111,897