Fair Value Measures (Tables)

12 Months Ended

Oct. 31, 2011

Fair Value Measures [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 October 31, 2011:

			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	$	543,770	$	543,770	$	—	$	—
Short-term investments:
Municipal securities		148,997		—		148,997		—
Prepaid and other current assets:
Foreign currency derivative contracts		2,161		—		2,161		—
Other long-term assets:
Deferred compensation plan assets		90,060		90,060		—		—
Total assets	$	784,988	$	633,830	$	151,158	$	—
Liabilities
Accounts payable and accrued liabilities:
Foreign currency derivative contracts	$	16,856	$	—	$	16,856	$	—
Contingent consideration		2,096		—		—		2,096
Other long-term liabilities:
Contingent consideration		2,200		—		—		2,200
Total liabilities	$	21,152	$	—	$	16,856	$	4,296

Assets and liabilities measured at fair value on a recurring basis are summarized below as of October 31, 2010:

Description	Total		Fair Value Measurement Using
			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	$	487,199	$	487,199	$	—	$	—
Short-term investments:
Municipal securities		163,154		—		163,154		—
Other current assets:
Foreign currency derivative contracts		5,680		—		5,680		—
Other long-term assets:
Deferred compensation plan assets		83,330		83,330		—		—
Total assets	$	739,363	$	570,529	$	168,834	$	—
Liabilities
Account payable and accrued liabilities:
Foreign currency derivative contracts	$	13,180	$	—	$	13,180	$	—
Contingent consideration		3,121		—		—		3,121
Other long-term liabilities:
Contingent consideration		4,935		—		—		4,935
Total liabilities	$	21,236	$	—	$	13,180	$	8,056

Non-Marketable Equity Securities

	Balance as of October 31, 2011		Significant Unobservable Inputs (Level 3)		Total (losses) for Fiscal 2011
	(in thousands)
Non-marketable equity securities	$	92	$	92	$	(999	)
	Balance as of October 31, 2010		Significant Unobservable Inputs (Level 3)		Total (losses) for Fiscal 2010
	(in thousands)
Non-marketable equity securities	$	452	$	452	$	(468)