Financial Assets And Liabilities (Tables)

3 Months Ended

Jan. 31, 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 January 31, 2012
Classified as current assets:
Non-interest bearing cash (U.S. and International)	$	164,802	$	—	$	—		$	—	$	164,802
Money market funds (U.S.)		27,662		—		—			—		27,662
Cash deposits and money market funds (International)		618,875							—		618,875
Municipal securities		131,855		330		(35	)		—		132,150
		943,194		330		(35	)		—		943,489
Classified as non-current assets:
Strategic investments		3,982		—		—			—		3,982
Total	$	947,176	$	330	$	(35	)	$	—	$	947,471

	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 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 4 for further discussion of fair values.

Schedule Of Stated Maturities Of Short-Term Investments

	Fair Value
	(in thousands)
Due in 1 year or less	$	83,365
Due in 1–5 years		22,332
Due in 6–10 years		11,602
Due after 10 years		14,851
Total	$	132,150

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

	Three Months ended January 31,
	2012			2011
	(in thousands)
Gain (loss) recorded in other income (expense), net	$	(199	)	$	2,168

Summary Of Outstanding Foreign Currency Forward Contracts

	As of January 31, 2012			As of October 31, 2011
	(in thousands)
Total gross notional amount	$	533,485		$	599,844
Net fair value	$	(15,112	)	$	(14,695	)

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

	Fair Values of derivative instruments designated as  hedging instruments		Fair Values of derivative instruments not designated as hedging instruments
	(in thousands)
As of January 31, 2012
Other current assets	$	1,202	$	180
Other current liabilities	$	16,433	$	61
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

	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 January 31, 2012
Foreign exchange contracts	Revenue	$	416		Revenue	$	(1,610	)
Foreign exchange contracts	Operating expenses		(5,100	)	Operating expenses		(1,843	)
Total		$	(4,684	)		$	(3,453	)
Three months ended January 31, 2011
Foreign exchange contracts	Revenue	$	1,361		Revenue	$	(2,926	)
Foreign exchange contracts	Operating expenses		(502	)	Operating expenses		(732	)
Total		$	859			$	(3,658	)

Ineffective Portion And Portion Excluded From Effectiveness Testing Of Derivative Hedge Gains (Losses)

	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)
For the three months ended January 31, 2012
Foreign exchange contracts	$	76		$	401
For the three months ended January 31, 2011
Foreign exchange contracts	$	(40	)	$	(284	)

(1) The ineffective portion includes forecast inaccuracies.

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