Fair Value Measures (Tables)

6 Months Ended

Apr. 30, 2015

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, 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	$	394,546	$	394,546	$	—	$	—
Commercial paper	3,399		—		3,399		—
Short-term investments:
U.S. government agency securities	24,912		—		24,912		—
Municipal bonds	1,406		—		1,406		—
Certificates of deposit	5,950		—		5,950		—
Commercial paper	5,893		—		5,893		—
Corporate debt securities	67,845		—		67,845		—
Asset-backed securities	30,573		—		30,573		—
Prepaid and other current assets:
Foreign currency derivative contracts	13,666		—		13,666		—
Other long-term assets:
Deferred compensation plan assets	157,537		157,537		—		—
Total assets	$	705,727	$	552,083	$	153,644	$	—
Liabilities
Accounts payable and accrued liabilities:
Foreign currency derivative contracts	$	19,103	$	—	$	19,103	$	—
Total liabilities	$	19,103	$	—	$	19,103	$	—

Assets and liabilities measured at fair value on a recurring basis are summarized below as of October 31, 2014:

			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	$	409,064	$	409,064	$	—	$	—
Prepaid and other current assets:
Foreign currency derivative contracts	9,300		—		9,300		—
Other long-term assets:
Deferred compensation plan assets	145,508		145,508		—		—
Total assets	$	563,872	$	554,572	$	9,300	$	—
Liabilities
Accounts payable and accrued liabilities:
Foreign currency derivative contracts	$	11,755	$	—	$	11,755	$	—
Total liabilities	$	11,755	$	—	$	11,755	$	—