CONDENSED CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2021
Total revenues	$ 357,195	$ 331,361	$ 679,556	$ 643,775
Operating expenses:
Cost of revenues	71,794	88,333	140,997	177,861
Research and development	36,387	43,612	75,367	84,263
Selling, general and administrative	96,414	97,272	194,462	191,183
Amortization of intangible assets	543	945	1,087	1,882
Gains on product line asset sales and business divestiture	0	0	0	7,334
Total operating expenses	205,138	230,162	411,913	447,855
Operating income	152,057	101,199	267,643	195,920
Interest expense, net	(17,211)	(9,943)	(29,406)	(19,584)
Other income (expense), net	(2,361)	568	(932)	3,448
Income before income taxes	132,485	91,824	237,305	179,784
Provision for income taxes	28,102	23,150	47,963	24,618
Net income	104,383	68,674	189,342	155,166
Other comprehensive income (loss):
Foreign currency translation adjustments	(3,207)	(1,846)	(5,345)	15,202
Comprehensive income	$ 101,176	$ 66,828	$ 183,997	$ 170,368
Earnings per share:
Basic (in dollars per share)	$ 3.99	$ 2.36	$ 7.10	$ 5.33
Diluted (in dollars per share)	$ 3.95	$ 2.33	$ 7.02	$ 5.23
Shares used in computing earnings per share:
Basic (in shares)	26,145	29,087	26,662	29,107
Diluted (in shares)	26,421	29,531	26,978	29,660
On-premises and SaaS software
Total revenues	$ 149,088	$ 125,551	$ 275,426	$ 252,006
Professional services
Total revenues	24,365	37,091	50,901	78,399
Scores
Total revenues	$ 183,742	$ 168,719	$ 353,229	$ 313,370