Financial Assets and Liabilities (Tables)

6 Months Ended

Apr. 30, 2015

Financial Assets And Liabilities [Abstract]

Summary of Available-for-Sale Securities

During the first fiscal quarter of 2015, the Company made investments in available-for-sale securities. As of April 30, 2015, the balances of these investments are:

	Cost		Gross Unrealized Gains		Gross Unrealized Losses Less Than 12 Months			Gross Unrealized Losses 12 Months or Longer		Estimated Fair Value(1)
	(in thousands)
Cash equivalents:
Money market funds	$	394,546	$	—	$	—		$	—	$	394,546
Commercial paper	3,399		—		—			—		3,399
Total:	397,945		—		—			—		397,945
Short-term investments:
U.S. government agency securities	24,907		6		(1		)	—		24,912
Municipal bonds	1,404		2		—			—		1,406
Certificates of deposit	5,950		—		—			—		5,950
Commercial paper	5,893		—		—			—		5,893
Corporate debt securities	67,829		25		(9		)	—		67,845
Asset-backed securities	30,566		10		(3		)	—		30,573
Total:	136,549		43		(13		)	—		136,579

(1) See Note 5. Fair Value Measures for further discussion on fair values of cash equivalents and short-term investments.

Maturities of Available-for-Sale securities

As of April 30, 2015, the stated maturities of the Company's short-term investments are:

	Amortized Cost		Fair Value
	(in thousands)
Due in 1 year or less	$	74,812	$	74,818
Due in 1-5 years	61,737		61,761
Total	$	136,549	$	136,579

Effects on Changes in Fair Values of Non-Designated Forward Contracts

The effects of the changes in the fair values of non-designated forward contracts are summarized as follows:

	Three Months Ended   April 30,					Six Months Ended   April 30,
	2015			2014		2015			2014
	(in thousands)
Gain (loss) recorded in other income (expense), net	$	(235	)	$	330	$	(2,993	)	$	(613	)

Notional Amounts of Derivative Instruments

The notional amounts in the table below for derivative instruments provide one measure of the transaction volume outstanding:

	As of April 30, 2015			As of October 31, 2014
	(in thousands)
Total gross notional amount	$	702,008		$	793,937
Net fair value	$	(5,436	)	$	(2,455	)

Fair Values of Derivative Instrument Designated and Non-Designated as Hedging Instruments in Balance Sheet

The following represents the unaudited condensed consolidated balance sheet location and amount of derivative instrument fair values segregated between designated and non-designated hedge instruments:

	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, 2015
Other current assets	$	12,586	$	1,081
Accrued liabilities	$	18,971	$	132
As of October 31, 2014
Other current assets	$	9,299	$	1
Accrued liabilities	$	11,656	$	99

Income Statement Location and Amount of Gains and Losses on Derivative Instrument Fair Values for Designated Hedge Instruments, Net of Tax

The following table represents the unaudited condensed consolidated statement of operations location and amount of gains and losses on derivative instrument fair values for designated hedge instruments, net of tax:

	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, 2015
Foreign exchange contracts	Revenue	$	374		Revenue	$	26
Foreign exchange contracts	Operating expenses	(1,704		)	Operating expenses	(6,397		)
Total		$	(1,330	)		$	(6,371	)
Three months ended   April 30, 2014
Foreign exchange contracts	Revenue	$	176		Revenue	$	(1,083	)
Foreign exchange contracts	Operating expenses	2,890			Operating expenses	209
Total		$	3,066			$	(874	)
Six months ended   April 30, 2015
Foreign exchange contracts	Revenue	$	3,340		Revenue	$	2,406
Foreign exchange contracts	Operating expenses	(17,499		)	Operating expenses	(9,833		)
Total		$	(14,159	)		$	(7,427	)
Six months ended   April 30, 2014
Foreign exchange contracts	Revenue	$	3,364		Revenue	$	1,674
Foreign exchange contracts	Operating expenses	(892		)	Operating expenses	758
Total		$	2,472			$	2,432

Ineffective Portion and Portion Excluded from Effectiveness Testing of Derivative Hedge Gains (Losses)

The following table represents the ineffective portions and portions excluded from effectiveness testing of the hedge gains (losses) for derivative instruments designated as hedging instruments, which are recorded in other income (expense), net:

Foreign exchange contracts	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 April 30, 2015	$	(40	)	$	1,234
For the three months ended April 30, 2014	$	(85	)	$	808
For the six months ended April 30, 2015	$	700		$	2,306
For the six months ended April 30, 2014	$	34		$	2,402

(1) The ineffective portion includes forecast inaccuracies.

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