Fair Value Measurements (Schedule Of Assets And Liabilities Measured At Fair Value) (Details) (Fair Value, Measurements, Recurring [Member], USD $) In Thousands, unless otherwise specified	Jan. 25, 2014		Oct. 26, 2013
Assets
Money market funds	$ 645,995	[1]	$ 431,750	[1]
Derivative assets	1,240		1,814
Total assets measured at fair value	647,235		433,564
Liabilities
Derivative liabilities	1,814		1,441
Total liabilities measured at fair value	1,814		1,441
Quoted Prices In Active Markets For Identical Instruments (Level 1)
Assets
Money market funds	645,995	[1]	431,750	[1]
Derivative assets	0		0
Total assets measured at fair value	645,995		431,750
Liabilities
Derivative liabilities	0		0
Total liabilities measured at fair value	0		0
Significant Other Observable Inputs (Level 2)
Assets
Money market funds	0	[1]	0	[1]
Derivative assets	1,240		1,814
Total assets measured at fair value	1,240		1,814
Liabilities
Derivative liabilities	1,814		1,441
Total liabilities measured at fair value	1,814		1,441
Significant Unobservable Inputs (Level 3)
Assets
Money market funds	0	[1]	0	[1]
Derivative assets	0		0
Total assets measured at fair value	0		0
Liabilities
Derivative liabilities	0		0
Total liabilities measured at fair value	$ 0		$ 0

[1] Money market funds are reported within “Cash and cash equivalents” in the Condensed Consolidated Balance Sheets.