CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Revenue:
Total revenue	$ 509,447	$ 425,077
Cost of sales:
Amortization	19,618	17,252
Total cost of sales	67,652	64,760
Gross profit	441,795	360,317
Operating expenses:
Selling, general and administrative	188,584	169,755
Research and development	120,335	105,274
Amortization	5,181	4,125
Total operating expenses	314,100	279,154
Operating income	127,695	81,163
Interest income	4,078	527
Interest expense	(10,758)	(2,967)
Other expense, net	(177)	(694)
Income before income tax provision	120,838	78,029
Income tax provision	20,216	7,041
Net income	$ 100,622	$ 70,988
Earnings per share – basic:
Earnings per share	$ 1.16	$ 0.81
Weighted average shares	86,930	87,122
Earnings per share – diluted:
Earnings per share	$ 1.15	$ 0.81
Weighted average shares	87,431	87,750
Software licenses
Revenue:
Total revenue	$ 219,152	$ 157,445
Cost of sales:
Cost of sales:	11,744	8,436
Maintenance and service
Revenue:
Total revenue	290,295	267,632
Cost of sales:
Cost of sales:	$ 36,290	$ 39,072