Derivatives - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Oct. 26, 2012	Oct. 28, 2011
Derivative Instruments, Gain (Loss) [Line Items]
Description of reclassification of foreign currency cash flow hedge gain (loss)	For derivative contracts that are designated and qualify for a cash flow hedge, the effective portion of the gain or loss of the derivative contract is recorded as a component of other comprehensive income, net of tax. This amount is reclassified into the income statement on the line associated with the underlying transaction for the period(s) in which the hedged transaction affects earnings. The amounts recorded in accumulated other comprehensive income for existing cash flow hedges are generally expected to be reclassified into earnings within one year and all of the existing hedges will be reclassified into earnings by December 2013.
Gain (loss) on foreign currency cash flow hedge ineffectiveness	$ 3.0	$ 2.7
Gain (loss) on foreign currency forward contracts designated and qualifying as fair value hedges	3.0	1.6
Gain (loss) on foreign currency derivative instruments not designated as hedging instruments	$ 3.1