CONDENSED CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME (Unaudited) - USD ($) shares in Thousands, $ in Thousands		3 Months Ended		9 Months Ended
		Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Revenues:
Transactional and maintenance		$ 153,886	$ 144,695	$ 451,701	$ 414,788
Professional services		44,304	37,998	117,798	111,142
License		40,588	26,673	76,033	80,095
Total revenues		238,778	209,366	645,532	606,025
Operating expenses:
Cost of revenues	[1]	66,384	66,202	190,875	203,493
Research and development		26,417	25,610	75,896	72,588
Selling, general and administrative	[1]	87,172	74,645	243,511	221,309
Amortization of intangible assets	[1]	3,486	3,599	10,573	10,046
Restructuring and acquisition-related		0	2,256	0	2,256
Total operating expenses		183,459	172,312	520,855	509,692
Operating income		55,319	37,054	124,677	96,333
Interest expense, net		(6,781)	(7,360)	(20,320)	(22,283)
Other income, net		1,752	770	1,853	771
Income before income taxes		50,290	30,464	106,210	74,821
Provision for income taxes		15,303	10,558	28,866	21,638
Net income		34,987	19,906	77,344	53,183
Other comprehensive income (loss):
Foreign currency translation adjustments		(14,156)	12,779	(21,180)	(17,740)
Comprehensive income		$ 20,831	$ 32,685	$ 56,164	$ 35,443
Earnings per share:
Basic (in dollars per share)		$ 1.12	$ 0.64	$ 2.48	$ 1.69
Diluted (in dollars per share)		$ 1.08	$ 0.62	$ 2.39	$ 1.63
Shares used in computing earnings per share:
Basic (in shares)		31,149	31,118	31,201	31,465
Diluted (in shares)		32,313	32,363	32,337	32,648

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