CONDENSED CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME (Unaudited) - USD ($) shares in Thousands, $ in Thousands		3 Months Ended
		Dec. 31, 2016	Dec. 31, 2015
Revenues:
Transactional and maintenance		$ 153,660	$ 147,072
Professional services		43,543	34,152
License		22,397	18,852
Total revenues		219,600	200,076
Operating expenses:
Cost of revenues	[1]	69,997	62,193
Research and development		26,142	24,631
Selling, general and administrative	[1]	85,214	78,838
Amortization of intangible assets	[1]	3,320	3,580
Total operating expenses		184,673	169,242
Operating income		34,927	30,834
Interest expense, net		(6,172)	(6,724)
Other expense, net		(100)	(334)
Income before income taxes		28,655	23,776
Provision for income taxes		(9,246)	4,535
Net income		37,901	19,241
Other comprehensive loss:
Foreign currency translation adjustments		(14,347)	(6,119)
Comprehensive income		$ 23,554	$ 13,122
Earnings per share:
Basic (in dollars per share)		$ 1.22	$ 0.62
Diluted (in dollars per share)		$ 1.16	$ 0.59
Shares used in computing earnings per share:
Basic (in shares)		30,989	31,185
Diluted (in shares)		32,536	32,436

[1] Cost of revenues and selling, general and administrative expenses exclude the amortization of intangible assets. See Note 4.