Financial Assets And Liabilities (Tables)

6 Months Ended

Apr. 30, 2012

Financial Assets And Liabilities [Abstract]

Summary Of Cash, Cash Equivalents And Investments

	Cost		Gross Unrealized Gains		Gross Unrealized Losses Less Than 12 Months			Gross Unrealized Losses 12 Months or Longer		Estimated Fair Value(1)
	(in thousands)
Balance at April 30, 2012
Classified as current assets:
Non-interest bearing cash (U.S. and International)	$	194,432	$	—	$	—		$	—	$	194,432
Money market funds (U.S.)		90,000		—		—			—		90,000
Cash deposits and money market funds (International)		512,162		—		—			—		512,162
		796,594		—		—			—		796,594
Classified as non-current assets:
Strategic investments		4,413		—		—			—		4,413
Total	$	801,007	$	—	$	—		$	—	$	801,007
Balance at October 31, 2011
Classified as current assets:
Non-interest bearing cash (U.S. and International)	$	149,998	$	—	$	—		$	—	$	149,998
Money market funds (U.S.)		55,267		—		—			—		55,267
Cash deposits and money market funds (International)		649,812		—		—			—		649,812
Municipal securities		148,850		296		(149	)		—		148,997
		1,003,927		296		(149	)		—		1,004,074
Classified as non-current assets:
Strategic investments		3,982		—		—			—		3,982
Total	$	1,007,909	$	296	$	(149	)	$	—	$	1,008,056

(1) See Note 5 for further discussion of fair values.

Summary Of Effects On Changes In Fair Values Of Non-Designated Forward Contracts

	Three Months Ended April 30,				Six Months Ended April 30,
	2012		2011		2012		2011
	(in thousands)
Gain (loss) recorded in other income (expense), net	$	2,217	$	2,200	$	2,018	$	4,367

Summary Of Outstanding Foreign Currency Forward Contracts

	As of April 30, 2012			As of October 31, 2011
	(in thousands)
Total gross notional amount	$	580,078		$	599,844
Net fair value	$	(6,149	)	$	(14,695	)

Fair Values Of Derivative Instrument Designated And Non-Designated As Hedging Instruments In Balance Sheet

	Fair Values of derivative  instruments designated as hedging instruments		Fair Values of derivative  instruments not designated as hedging instruments
	(in thousands)
As of April 30, 2012
Other current assets	$	3,067	$	871
Other current liabilities	$	10,008	$	79
As of October 31, 2011
Other current assets	$	2,161	$	—
Other current liabilities	$	16,827	$	29

Gains And Losses On Derivative Instrument Recognized In Statement Of Operations And Statement Of Operations Location

	Location of gain (loss) recognized in OCI on derivatives	Amount of gain (loss) recognized in OCI on derivatives (effective portion)			Location of gain (loss) reclassified from OCI	Amount of gain (loss) reclassified from OCI (effective portion)
	(in thousands)
Three months ended April 30, 2012
Foreign exchange contracts	Revenue	$	4,578		Revenue	$	(24	)
Foreign exchange contracts	Operating expenses		205		Operating expenses		(2,093	)
Total		$	4,783			$	(2,117	)
Three months ended April 30, 2011
Foreign exchange contracts	Revenue	$	361		Revenue	$	(1,969	)
Foreign exchange contracts	Operating expenses		7,505		Operating expenses		985
Total		$	7,866			$	(984	)
Six months ended April 30, 2012
Foreign exchange contracts	Revenue	$	4,994		Revenue	$	(1,634	)
Foreign exchange contracts	Operating expenses		(4,895	)	Operating expenses		(3,936	)
Total		$	99			$	(5,570	)
Six months ended April 30, 2011
Foreign exchange contracts	Revenue	$	1,803		Revenue	$	(4,895	)
Foreign exchange contracts	Operating expenses		7,003		Operating expenses		253
Total		$	8,806			$	(4,642	)

Ineffective Portions And Portions Excluded From Effectiveness Testing Of Derivative Hedge Gains (Losses) Recorded In Other Income (Expense), Net

	Amount of gain (loss) recognized in  income statement on derivatives (ineffective portion)(1)			Amount of gain (loss) recognized in income statement on derivatives (excluded from effectiveness testing)(2)
	(in thousands)
Three months ended April 30, 2012
Foreign exchange contracts	$	(22	)	$	466
Three months ended April 30, 2011
Foreign exchange contracts	$	(5	)	$	265
Six months ended April 30, 2012
Foreign exchange contracts	$	54		$	867
Six months ended April 30, 2011
Foreign exchange contracts	$	(46	)	$	(19	)

(1) The ineffective portion includes forecast inaccuracies.

(2) The portion excluded from effectiveness includes the discount earned or premium paid for the contracts.