Derivative Instruments And Hedging Activities (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Oct. 27, 2012	Oct. 29, 2011	Oct. 30, 2010
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Maximum derivative instrument maturity period	1 year
Foreign Currency Transaction [Abstract]
Foreign currency transaction gains (losses)	$ 1.5	$ 0.6	$ 6.6
Derivatives Designated As Hedging Instruments | Prepaid Expense And Other Current Asset
Derivative Instruments, Gain (Loss)
Gross unrealized gain positions	2.9
Derivatives Designated As Hedging Instruments | Other Accrued Liabilities
Derivative Instruments, Gain (Loss)
Gross unrealized loss positions	$ (0.3)