Note 7 - Unconsolidated Affiliated Companies (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended	4 Months Ended		9 Months Ended
	May 28, 2011	May 02, 2011		Aug. 27, 2011	Aug. 25, 2012	Nov. 26, 2011	Aug. 25, 2012 Zenith Freight Lines [Member]	May 01, 2011 IHFC [Member]
Equity Method Investment, Ownership Percentage		46.90%					49.00%	46.90%
Equity Method Investments					$ 6,294	$ 6,137
Equity Method Investment, Realized Gain (Loss) on Disposal	85,542	85,542		85,542
Cost Method Investments		$ 1,000	[1]

[1] Included in other non-current assets in the accompanying condensed consolidated balance sheet at August 25, 2012.