Income Taxes (Tables)

12 Months Ended

Oct. 31, 2011

Income Taxes [Abstract]

Schedule Of Domestic And Foreign Components Of Total Income Before Provision For Income Tax

	Year Ended October 31,
	2011		2010		2009
	(in thousands)
United States	$	40,434	$	57,795	$	72,681
Foreign		178,679		140,863		160,389
	$	219,113	$	198,658	$	233,070

Schedule Of Components Of The (Benefit) Provision For Income Taxes

	Year Ended October 31,
	2011			2010			2009
	(in thousands)
Current:
Federal	$	(6,436	)	$	(17,097	)	$	1,813
State		(2,197	)		8			8,236
Foreign		474			25,421			14,450
		(8,159	)		8,332			24,499
Deferred:
Federal		(7,160	)		(25,156	)		38,368
State		(2,456	)		(9,309	)		(2,875	)
Foreign		15,524			(12,272	)		5,397
		5,908			(46,737	)		40,890
(Benefit) provision for income taxes	$	(2,251)		$	(38,405	)	$	65,389

Rate Reconciliation Between Provision For Taxes And Taxes Computed At The Statutory Federal Rate

	Year Ended October 31,
	2011			2010			2009
	(in thousands)
Statutory federal tax	$	76,689		$	69,530		$	81,575
State tax (benefit), net of federal effect		(4,988	)		(2,491	)		2,055
Tax credits		(19,042	)		(7,451	)		(7,326	)
Tax exempt income		(354	)		(1,479	)		(2,732	)
Tax on foreign earnings less than U.S. statutory tax		(28,968	)		(11,615	)		(23,558	)
Tax settlements		(32,782	)		(73,045	)		—
Stock based compensation		7,817			5,336			13,488
Changes in valuation allowance		49			(21,612	)		—
Other		(672	)		4,422			1,887
	$	(2,251	)	$	(38,405	)	$	65,389

Schedule Of Deferred Tax Assets And Liabilities

	October 31,
	2011			2010
	(in thousands)
Net deferred tax assets:
Deferred tax assets:
Accruals and reserves	$	16,274		$	15,375
Deferred revenue		47,603			53,574
Deferred compensation		36,975			32,062
Capitalized costs		98,420			102,706
Capitalized research and development costs		45,710			30,214
Stock compensation		32,186			41,370
Tax loss carryovers		36,515			54,167
Foreign tax credit carryovers		23,759			29,549
Research and other tax credit carryovers		74,110			68,345
Capital loss carryovers		1,896			7,558
Other		1,349			2,357
Gross deferred tax assets		414,797			437,277
Valuation allowance		(13,395	)		(14,684	)
Total deferred tax assets		401,402			422,593
Deferred tax liabilities:
Intangible assets		49,948			63,276
Undistributed earnings of foreign subsidiaries		12,631			17,331
Total deferred tax liabilities		62,579			80,607
Net deferred tax assets	$	338,823		$	341,986

Schedule Of Tax Loss And Credit Carryforwards

Carryforward	Amount		Expiration Date
	(in thousands)
Federal net operating loss carryforward	$	89,349		2018-2030
Federal research credit carryforward		74,388		2018-2031
Foreign tax credit carryforward		25,662		2012-2021
State research credit carryforward		67,757		Indefinite

Summary Of Reconciliation Of The Beginning And Ending Balance Of Gross Unrecognized Tax Benefits

	2011			2010
	(in thousands)
Beginning balance	$	213,923		$	253,861
Increases in unrecognized tax benefits related to prior year tax positions		4,188			9,243
Decreases in unrecognized tax benefits related to prior year tax positions		(44,061	)		(78,464	)
Increases in unrecognized tax benefits related to current year tax positions		19,922			38,505
Decreases in unrecognized tax benefits related to settlements with taxing authorities		(1,258	)		(14,962	)
Reductions in unrecognized tax benefits due to lapse of applicable statute of limitations		(15,200	)		(12,686	)
Increases in unrecognized tax benefits acquired		350			15,966
Changes in unrecognized tax benefits due to foreign currency translation		29			2,460
Balance as of October 31	$	177,893		$	213,923