Derivative Instruments And Hedging Activities (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Jan. 31, 2015	Jan. 25, 2014
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Maximum derivative instrument maturity period	15 months
Foreign Currency Transaction [Abstract]
Foreign currency transaction gains (losses)	$ (1.0)	$ (0.1)
Derivatives Designated As Hedging Instruments | Prepaid Expense And Other Current Asset
Derivative Instruments, Gain (Loss)
Gross unrealized gain positions	0.1
Derivatives Designated As Hedging Instruments | Other Accrued Liabilities
Derivative Instruments, Gain (Loss)
Gross unrealized loss positions	$ (3.3)