Fair Value Measures (Tables)

9 Months Ended

Jul. 31, 2016

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 July 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	$	403,070	$	403,070	$	—	$	—
Certificates of deposit	2,400		—		2,400		—
Short-term investments:
U.S. government agency securities	17,019		—		17,019		—
Municipal bonds	700		—		700		—
Certificates of deposit	17,500		—		17,500		—
Commercial paper	20,681		—		20,681		—
Corporate debt securities	61,301		—		61,301		—
Asset-backed securities	20,431		—		20,431		—
Non-U.S. government agency securities	1,003		—		1,003		—
Other	4,907		4,907				—
Prepaid and other current assets:
Foreign currency derivative contracts	3,109		—		3,109		—
Other long-term assets:
Deferred compensation plan assets	164,430		164,430		—		—
Total assets	$	716,551	$	572,407	$	144,144	$	—
Liabilities
Accounts payable and accrued liabilities:
Foreign currency derivative contracts	$	20,391	$	—	$	20,391	$	—
Other long-term assets:
Deferred compensation plan  liabilities	164,430		164,430		—		—
Total liabilities	$	184,821	$	164,430	$	20,391	$	—

Assets and liabilities measured at fair value on a recurring basis are summarized below as of October 31, 2015:

			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	$	233,839	$	233,839	$	—	$	—
Commercial paper	1,834		—		1,834		—
Certificates of deposit	3,500		—		3,500		—
Asset-backed securities	299		—		299		—
Short-term investments:
U.S. government agency securities	12,614		—		12,614		—
Municipal bonds	1,403		—		1,403		—
Certificates of deposit	9,800		—		9,800		—
Commercial paper	12,129		—		12,129		—
Corporate debt securities	67,188		—		67,188		—
Asset-backed securities	24,608		—		24,608		—
Non-U.S. government agency securities	1,005		—		1,005		—
Prepaid and other current assets:
Foreign currency derivative contracts	6,462		—		6,462		—
Other long-term assets:
Deferred compensation plan assets	158,462		158,462		—		—
Total assets	$	533,143	$	392,301	$	140,842	$	—
Liabilities
Accounts payable and accrued liabilities:
Foreign currency derivative contracts	$	10,281	$	—	$	10,281	$	—
Other long-term liabilities:
Deferred compensation plan liabilities	158,462		158,462		—		—
Total liabilities	$	168,743	$	158,462	$	10,281	$	—