Note 3 - Accumulated Other Comprehensive Income (Loss) (Detail) - Accumulated other comprehensive income (loss) (USD $) In Thousands, unless otherwise specified	Nov. 24, 2012	Nov. 26, 2011
Accumulated other comprehensive income (loss), pension and other postretirement benefit plans	$ (1,139)	$ (1,129)
	(1,223)	(608)
Unrealized holding gains		236
Actuarial Adjustment to SERP [Member]
Accumulated other comprehensive income (loss), pension and other postretirement benefit plans	(1,066)	(656)
Excess of Additional Pension Liability Over Unamortized Transition Obligation [Member]
Accumulated other comprehensive income (loss), pension and other postretirement benefit plans	$ (157)	$ (188)