Fair Value Measurements (Schedule Of Assets And Liabilities Measured At Fair Value) (Details) (Fair Value, Measurements, Recurring [Member], USD $) In Thousands, unless otherwise specified	Apr. 27, 2013		Oct. 27, 2012
Assets
Money market funds	$ 238,972	[1]	$ 308,960	[1]
Derivative assets	1,934		2,941
Total assets measured at fair value	240,906		311,901
Liabilities
Derivative liabilities	1,481		296
Total liabilities measured at fair value	1,481		296
Quoted Prices In Active Markets For Identical Instruments (Level 1)
Assets
Money market funds	238,972	[1]	308,960	[1]
Derivative assets	0		0
Total assets measured at fair value	238,972		308,960
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	1,934		2,941
Total assets measured at fair value	1,934		2,941
Liabilities
Derivative liabilities	1,481		296
Total liabilities measured at fair value	1,481		296
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.