Fair Value Measures (Tables)

3 Months Ended

Jan. 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 January 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	$	199,561	$	199,561	$	—	$	—
Commercial paper	1,199		—		1,199		—
Certificates of deposit	2,400		—		2,400		—
U.S. government agency securities	4,337		—		4,337		—
Short-term investments:
U.S. government agency securities	13,718		—		13,718		—
Municipal bonds	1,403		—		1,403		—
Certificates of deposit	8,297		—		8,297		—
Commercial paper	11,430		—		11,430		—
Corporate debt securities	65,107		—		65,107		—
Asset-backed securities	21,989		—		21,989		—
Non-U.S. government agency securities	1,004		—		1,004		—
Prepaid and other current assets:
Foreign currency derivative contracts	2,043		—		2,043		—
Other long-term assets:
Deferred compensation plan assets	149,401		149,401		—		—
Total assets	$	481,889	$	348,962	$	132,927	$	—
Liabilities
Accounts payable and accrued liabilities:
Foreign currency derivative contracts	$	18,455	$	—	$	18,455	$	—
Other long-term assets:
Deferred compensation plan liabilities	149,401		149,401		—		—
Total liabilities	$	167,856	$	149,401	$	18,455	$	—

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	$	—