Fair Value Measures (Tables)

12 Months Ended

Oct. 31, 2017

Fair Value Disclosures [Abstract]

Assets and Liabilities Measured at Fair Value on Recurring Basis

Assets and liabilities measured at fair value on a recurring basis are summarized below as of October 31, 2017:

			Fair Value Measurement Using
Description	Total		Quoted Prices in  Active Markets  for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(in thousands)
Assets
Cash equivalents:
Money market funds	$	560,594	$	560,594	$	—	$	—
Prepaid and other current assets:
Foreign currency derivative contracts	16,596		—		16,596		—
Other long-term assets:
Deferred compensation plan assets	197,542		197,542		—		—
Total assets	$	774,732	$	758,136	$	16,596	$	—
Liabilities
Accounts payable and accrued liabilities:
Foreign currency derivative contracts	$	2,544	$	—	$	2,544	$	—
Other long-term liabilities:
Deferred compensation plan liabilities	197,542		197,542		—		—
Total liabilities	$	200,086	$	197,542	$	2,544	$	—

Assets and liabilities measured at fair value on a recurring basis are summarized below as of October 31, 2016:

Description	Total		Fair Value Measurement Using
			Quoted Prices in  Active Markets  for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(in thousands)
Assets
Cash equivalents:
Money market funds	$	499,274	$	499,274	$	—	$	—
Commercial paper	1,498		—		1,498		—
Certificates of deposit	4,200		—		4,200		—
Short-term investments:
U.S. government agency securities	13,603		—		13,603		—
Certificates of deposit	12,849		—		12,849		—
Commercial paper	25,431		—		25,431		—
Corporate debt securities	58,778		—		58,778		—
Asset-backed securities	22,146		—		22,146		—
Non-U.S. government agency securities	3,400		—		3,400		—
Other	4,488		4,488		—		—
Prepaid and other current assets:
Foreign currency derivative contracts	4,652		—		4,652		—
Other long-term assets:
Deferred compensation plan assets	163,185		163,185		—		—
Total assets	$	813,504	$	666,947	$	146,557	$	—
Liabilities
Accounts payable and accrued liabilities:
Foreign currency derivative contracts	$	20,010	$	—	$	20,010	$	—
Other long-term liabilities:
Deferred compensation plan liabilities	163,185		163,185		—		—
Total liabilities	$	183,195	$	163,185	$	20,010	$	—

Securities Owned Not Readily Marketable

The following table presents the non-marketable equity securities that were measured and recorded at fair value within other long-term assets on a non-recurring basis and the loss recorded in other income (expense), net:

	Balance as of October 31, 2017		Significant Unobservable Inputs (Level 3)		Total (losses) for Fiscal 2017
	(in thousands)
Non-marketable equity securities	$	—	$	—	$	(1,300	)