Condensed Consolidated Statements Of Operations (USD $) In Thousands, except Per Share data	3 Months Ended
	Jul. 31, 2011		Jul. 31, 2010
Revenues:
License	$ 6,688		$ 2,794
Services and other	9,267		9,231
Maintenance	7,754		7,069
Total revenues	23,709		19,094
Cost of revenues:
License	1,835		693
Services and other	6,917		6,551
Maintenance	1,765		1,656
Total cost of revenues	10,517		8,900
Gross margin	13,192		10,194
Research and development	1,950		1,777
Sales and marketing	4,306		3,317
General and administrative	3,116		2,842
Amortization of acquisition-related intangibles	135		214
Provision for doubtful accounts	91		28
Total operating expenses	9,598		8,178
Operating income	3,594		2,016
Other income (expense):
Interest income	363		366
Other, net	(376)		(125)
Earnings before income taxes	3,581		2,257
Income tax expense	(1,293)		(884)
Net earnings	$ 2,288		$ 1,373
Earnings per common share(a) :
Basic	$ 0.09	[1]	$ 0.05	[1]
Diluted	$ 0.09	[1]	$ 0.05	[1]
Cash dividends declared per common share	$ 0.09		$ 0.09
Shares used in the calculation of earnings per common share:
Basic	26,130		25,540
Diluted	26,788		25,926

[1] (a) Basic per share amounts are the same for Class A and Class B shares. Diluted per share amounts for Class A shares are shown above. Diluted earnings per share for Class B shares under the two-class method are $0.09 and $0.05 for the periods ended July 31, 2011 and 2010, respectively. See Note E to the Condensed Consolidated Financial Statements.