Financial Assets and Liabilities (Tables)

3 Months Ended

Jan. 31, 2019

Financial Assets And Liabilities [Abstract]

Summary of Available-for-Sale Securities

As of January 31, 2019, the balances of the Company's cash equivalents are:

	Cost		Gross Unrealized Gains		Gross Unrealized Losses Less Than 12 Continuous Months		Gross Unrealized Losses 12 Continuous Months or Longer		Estimated Fair Value(1)
	(in thousands)
Cash equivalents:
Money market funds	$	122,397	$	—	$	—	$	—	$	122,397
Total:	$	122,397	$	—	$	—	$	—	$	122,397

(1) See Note 5. Fair Value Measures for further discussion on fair values of cash equivalents.

As of October 31, 2018, the balances of the Company's cash equivalents are:

	Cost		Gross Unrealized Gains		Gross Unrealized Losses Less Than 12 Continuous Months		Gross Unrealized Losses 12 Continuous Months or Longer		Estimated Fair Value(1)
	(in thousands)
Cash equivalents:
Money market funds	$	165,296	$	—	$	—	$	—	$	165,296
Total:	$	165,296	$	—	$	—	$	—	$	165,296

(1) See Note 5. Fair Value Measures for further discussion on fair values of cash equivalents.

Schedule of Cash, Cash Equivalents and Restricted Cash

The following table provides a reconciliation of cash, cash equivalents and restricted cash included in the unaudited condensed consolidated balance sheets:

	As of January 31, 2019		As of October 31, 2018
	(in thousands)
Cash and cash equivalents	$	592,305	$	723,115
Restricted cash included in Prepaid expenses and other current assets	1,169		1,164
Restricted cash included in Other long-term assets	732		722
Total cash, cash equivalents and restricted cash	$	594,206	$	725,001

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

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

	Three Months Ended   January 31,
	2019			2018
	(in thousands)
Gain (loss) recorded in other income (expense), net	$	(1,900	)	$	(1,571	)

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 January 31, 2019			As of October 31, 2018
	(in thousands)
Total gross notional amount	$	1,010,001		$	1,135,549
Net fair value	$	(8,244	)	$	(18,120	)

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

The following table 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 January 31, 2019
Other current assets	$	5,117	$	46
Accrued liabilities	$	13,059	$	348
As of October 31, 2018
Other current assets	$	4,771	$	131
Accrued liabilities	$	22,890	$	132

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   January 31, 2019
Foreign exchange contracts	Revenue	$	(1,208	)	Revenue	$	164
Foreign exchange contracts	Operating expenses	6,675			Operating expenses	(4,639		)
Total		$	5,467			$	(4,475	)
Three months ended   January 31, 2018
Foreign exchange contracts	Revenue	$	(2,626	)	Revenue	$	1,667
Foreign exchange contracts	Operating expenses	15,639			Operating expenses	3,639
Total		$	13,013			$	5,306

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 statement of operations on derivatives (ineffective portion)(1)			Amount of gain (loss) recognized in statement of operations on derivatives (excluded from effectiveness testing)(2)
	(in thousands)
For the three months ended January 31, 2019	$	(104	)	$	(13	)
For the three months ended January 31, 2018	$	214		$	1,100

(1) The ineffective portion includes forecast inaccuracies.

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