Stock Compensation (Tables)

6 Months Ended

Apr. 30, 2012

Stock Compensation [Abstract]

Stock Compensation Arrangements

	Three Months Ended April 30,						Six Months Ended April 30,
	2012			2011			2012			2011
	(in thousands)
Cost of license	$	1,626		$	1,225		$	3,382		$	2,718
Cost of maintenance and service		390			277			835			631
Research and development expense		8,691			5,867			16,244			13,710
Sales and marketing expense		3,310			2,537			6,601			5,175
General and administrative expense		6,587			2,760			9,791			5,680
Stock compensation expense before taxes		20,604			12,666			36,853			27,914
Income tax benefit		(4,689	)		(3,400	)		(8,388	)		(7,492	)
Stock compensation expense after taxes	$	15,915		$	9,266		$	28,465		$	20,422

Schedule Of Intrinsic Value Of Equity Awards Exercised

	Three Months Ended April 30,				Six Months Ended April 30,
	2012		2011		2012		2011
	(in thousands)
Intrinsic value of awards exercised	$	19,182	$	12,805	$	37,151	$	27,853