Note 4 - Debt (Detail) (USD $) In Millions, unless otherwise specified	Nov. 23, 2012	Oct. 27, 2012
Line of Credit Facility, Maximum Borrowing Capacity	$ 50	$ 75
Debt Instrument, Basis Spread on Variable Rate		0.50%
Line of Credit Facility, Amount Outstanding		2.4
Line of Credit Facility, Remaining Borrowing Capacity		72.6
Statutory Accounting Practices, Retained Earnings Not Available for Dividends		$ 1.2
Minimum [Member]
Debt Instrument, Basis Spread on Variable Rate		0.30%
Maximum [Member]
Debt Instrument, Basis Spread on Variable Rate		0.90%