Note 12 - Post-Employment Benefit Obligations (Detail) - Pension Liability (USD $) In Thousands, unless otherwise specified	Aug. 25, 2012	Nov. 26, 2011
Post employment benefit obligations	$ 10,919	$ 11,226
Total pension liability	9,154	9,326
Supplemental Employee Retirement Plans, Defined Benefit [Member]
Other accrued liabilities	866	866
Post employment benefit obligations	$ 8,288	$ 8,460