Note 3 - Deferred Compensation Units (Details)	6 Months Ended
	May 28, 2016 shares
Non Employee Directors [Member]
Units outstanding (in shares)	380,170
Participant contributions (in shares)	14,517
Company match contributions (in shares)	1,452
Payouts (in shares)	(319)
Units outstanding (in shares)	395,820
Employees [Member]
Units outstanding (in shares)	45,906
Participant contributions (in shares)	3,214
Company match contributions (in shares)	321
Payouts (in shares)	(5,970)
Units outstanding (in shares)	43,471
Units outstanding (in shares)	426,076
Participant contributions (in shares)	17,731
Company match contributions (in shares)	1,773
Payouts (in shares)	(6,289)
Units outstanding (in shares)	439,291