CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME (USD $) Share data in Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Sep. 30, 2012		Sep. 30, 2011		Sep. 30, 2010
Revenues:
Transactional and maintenance	$ 466,175,000		$ 453,430,000		$ 455,487,000
Professional services	124,971,000		115,941,000		102,878,000
License	85,277,000		50,312,000		47,278,000
Total revenues	676,423,000		619,683,000		605,643,000
Operating expenses:
Cost of revenues	197,947,000	[1]	186,470,000	[1]	180,932,000	[1]
Research and development	59,527,000		62,129,000		73,581,000
Selling, general and administrative	238,522,000	[1]	223,615,000	[1]	225,263,000	[1]
Amortization of intangible assets	6,944,000	[1]	7,741,000	[1]	10,901,000	[1]
Restructuring and acquisition-related	5,125,000		12,391,000		1,617,000
Total operating expenses	508,065,000		492,346,000		492,294,000
Operating income	168,358,000		127,337,000		113,349,000
Interest income	317,000		2,192,000		1,688,000
Interest expense	(31,734,000)		(32,364,000)		(24,124,000)
Other income (expense), net	(698,000)		290,000		1,391,000
Income before income taxes	136,243,000		97,455,000		92,304,000
Provision for income taxes	44,239,000		25,893,000		27,847,000
Net income	92,004,000		71,562,000		64,457,000
Other comprehensive income:
Unrealized losses on investments, net of tax benefit of $3, $23 and $250, for the years ended September 30, 2012, 2011 and 2010, respectively	(4,000)		(33,000)		(387,000)
Translation adjustments	5,905,000		(1,998,000)		(1,862,000)
Comprehensive income	$ 97,905,000		$ 69,531,000		$ 62,208,000
Basic earnings per share	$ 2.64		$ 1.82		$ 1.44
Shares used in computing basic earnings per share	34,909		39,359		44,903
Diluted earnings per share	$ 2.55		$ 1.79		$ 1.42
Shares used in computing diluted earnings per share	36,063		39,988		45,308

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