CONDENSED CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME - USD ($) shares in Thousands, $ in Thousands		3 Months Ended		9 Months Ended
		Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Revenues:
Transactional and maintenance		$ 166,695	$ 153,886	$ 481,604	$ 451,701
Professional services		43,871	44,304	128,698	117,798
License		20,420	40,588	68,662	76,033
Total revenues		230,986	238,778	678,964	645,532
Operating expenses:
Cost of revenues	[1]	69,793	66,384	211,921	190,875
Research and development		27,839	26,417	80,644	75,896
Selling, general and administrative	[1]	84,089	87,172	255,534	243,511
Amortization of intangible assets	[1]	3,365	3,486	9,997	10,573
Restructuring and acquisition-related		4,471	0	4,471	0
Total operating expenses		189,557	183,459	562,567	520,855
Operating income		41,429	55,319	116,397	124,677
Interest expense, net		(6,653)	(6,781)	(19,403)	(20,320)
Other income, net		555	1,752	128	1,853
Income before income taxes		35,331	50,290	97,122	106,210
Provision for income taxes		10,104	15,303	8,910	28,866
Net income		25,227	34,987	88,212	77,344
Other comprehensive income (loss):
Foreign currency translation adjustments		10,395	(14,156)	2,137	(21,180)
Comprehensive income		$ 35,622	$ 20,831	$ 90,349	$ 56,164
Earnings per share:
Basic (in dollars per share)		$ 0.82	$ 1.12	$ 2.85	$ 2.48
Diluted (in dollars per share)		$ 0.78	$ 1.08	$ 2.73	$ 2.39
Shares used in computing earnings per share:
Basic (in shares)		30,914	31,149	30,973	31,201
Diluted (in shares)		32,224	32,313	32,340	32,337

[1] Cost of revenues and selling, general and administrative expenses exclude the amortization of intangible assets. See Note 5.