Operating Leases - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
Oct. 26, 2012	Oct. 28, 2011	Oct. 29, 2010
Operating Leased Assets [Line Items]
Total rental expense under operating leases, excluding maintenance, taxes and insurance	$ 43.5	$ 33.6	$ 26.5

Rental expense incurred for leased assets including furniture and equipment which has not been recognized in costs and expenses applicable to sales and revenues; for example, cost of goods sold or other operating costs and expenses.

No definition available.

Name:	us-gaap_LeaseAndRentalExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration