Fair Value Measures (Tables)

3 Months Ended

Jan. 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 January 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	$	188,002	$	188,002	$	—	$	—
Commercial paper	2,849		—		2,849		—
Short-term investments:
U.S. government agency securities	12,280		—		12,280		—
Certificates of deposit	20,963		—		20,963		—
Commercial paper	24,832		—		24,832		—
Corporate debt securities	53,799		—		53,799		—
Asset-backed securities	18,967		—		18,967		—
Non-U.S. government agency securities	3,400		—		3,400		—
Other	4,407		4,407		—		—
Prepaid and other current assets:
Foreign currency derivative contracts	10,872		—		10,872		—
Other long-term assets:
Deferred compensation plan assets	177,393		177,393		—		—
Total assets	$	517,764	$	369,802	$	147,962	$	—
Liabilities
Accounts payable and accrued liabilities:
Foreign currency derivative contracts	$	10,454	$	—	$	10,454	$	—
Other long-term assets:
Deferred compensation plan  liabilities	177,393		177,393		—		—
Total liabilities	$	187,847	$	177,393	$	10,454	$	—

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

			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	$	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	$	—

Non-Marketable Equity Securities

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 January 31, 2017		Significant Unobservable Inputs (Level 3)		Total (losses) during three months ended January 31, 2017
	(in thousands)
Non-marketable equity securities	$	—	$	—	$	(1,300	)