CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME - USD ($) shares in Thousands, $ in Thousands		12 Months Ended
		Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Revenues:
Transactional and maintenance		$ 564,232	$ 527,563	$ 514,304
Professional services		151,773	149,834	135,194
License		122,776	111,588	93,946
Total revenues		838,781	788,985	743,444
Operating expenses:
Cost of revenues	[1]	270,535	249,281	229,468
Research and development		98,824	83,435	66,967
Selling, general and administrative	[1]	300,002	278,203	268,395
Amortization of intangible assets	[1]	13,673	11,917	13,535
Restructuring and acquisition-related		18,242	4,281	3,486
Total operating expenses		701,276	627,117	581,851
Operating income		137,505	161,868	161,593
Interest expense, net		(29,150)	(28,550)	(30,227)
Other income (expense), net		883	(187)	618
Income before income taxes		109,238	133,131	131,984
Provision for income taxes		22,736	38,252	41,889
Net income		86,502	94,879	90,095
Other comprehensive loss:
Foreign currency translation adjustments		(27,526)	(2,281)	(5,100)
Comprehensive income		$ 58,976	$ 92,598	$ 84,995
Basic earnings per share (in dollars per share)		$ 2.75	$ 2.80	$ 2.55
Shares used in computing basic earnings per share (shares)		31,402	33,870	35,332
Diluted earnings per share (in dollars per share)		$ 2.65	$ 2.72	$ 2.48
Shares used in computing diluted earnings per share (shares)		32,609	34,864	36,292

[1] Cost of revenues and selling, general and administrative expenses exclude the amortization of intangible assets. See Note 7 to the consolidated financial statements.