CONDENSED CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Revenues	$ 298,504	$ 262,256
Operating expenses:
Cost of revenues	90,758	76,066
Research and development	38,943	35,426
Selling, general and administrative	112,021	100,258
Amortization of intangible assets	1,796	1,502
Restructuring and acquisition-related	3,104	0
Total operating expenses	246,622	213,252
Operating income	51,882	49,004
Interest expense, net	(9,768)	(9,676)
Other expense, net	(219)	(2,172)
Income before income taxes	41,895	37,156
Income tax benefit	(13,026)	(2,851)
Net income	54,921	40,007
Other comprehensive gain (loss):
Foreign currency translation adjustments	14,092	(3,265)
Comprehensive income	$ 69,013	$ 36,742
Earnings per share:
Basic (in dollars per share)	$ 1.89	$ 1.38
Diluted (in dollars per share)	$ 1.82	$ 1.32
Shares used in computing earnings per share:
Basic (in shares)	29,025	28,961
Diluted (in shares)	30,169	30,336
Transactional and Maintenance
Revenues	$ 220,374	$ 194,193
Technology Service
Revenues	44,025	40,808
License
Revenues	$ 34,105	$ 27,255