Schedule of Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) (USD $) In Thousands, unless otherwise specified	May 02, 2014	Oct. 25, 2013
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Embedded derivatives	$ 1,934	$ 706
Embedded derivatives	719	344
Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent purchase obligation	5,000	4,000
Designated as Hedging Instrument | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative contracts designated as hedging instruments	2,452	2,270
Derivative contracts designated as hedging instruments	10,179	4,541
Not Designated as Hedging Instrument | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative contracts not designated as hedging instruments	3,739	3,670
Derivative contracts not designated as hedging instruments	$ 17	$ 122