Fair Value Measures (Tables)

6 Months Ended

Apr. 30, 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 April 30, 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	$	308,004	$	308,004	$	—	$	—
Commercial paper	600		—		600		—
Certificates of deposit	4,901		—		4,901		—
U.S. government agency securities	3,399		—		3,399		—
Short-term investments:
U.S. government agency securities	11,612		—		11,612		—
Municipal bonds	1,402		—		1,402		—
Certificates of deposit	13,598		—		13,598		—
Commercial paper	12,010		—		12,010		—
Corporate debt securities	66,811		—		66,811		—
Asset-backed securities	20,589		—		20,589		—
Non-U.S. government agency securities	1,004		—		1,004		—
Other	4,950		4,950		—		—
Prepaid and other current assets:
Foreign currency derivative contracts	5,284		—		5,284		—
Other long-term assets:
Deferred compensation plan assets	157,135		157,135		—		—
Total assets	$	611,299	$	470,089	$	141,210	$	—
Liabilities
Accounts payable and accrued liabilities:
Foreign currency derivative contracts	$	14,487	$	—	$	14,487	$	—
Other long-term assets:
Deferred compensation plan  liabilities	157,135		157,135		—		—
Total liabilities	$	171,622	$	157,135	$	14,487	$	—

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	$	—