Schedule II - Analysis of Valuation and Qualifying Accounts (Details) - USD ($) $ in Thousands		12 Months Ended
		Nov. 24, 2018		Nov. 25, 2017	Nov. 26, 2016
SEC Schedule, 12-09, Allowance, Credit Loss [Member]
Balance Beginning of Period		$ 617		$ 799	$ 1,175
Additions Charged to Cost and Expenses		339		(59)	(390)
Deductions	[1]	(252)		(123)	14
Other		50	[2]	0
Balance End of Period		754		617	799
SEC Schedule, 12-09, Allowance, Notes Receivable [Member]
Balance Beginning of Period		1,454		1,454	4,646
Additions Charged to Cost and Expenses		0		0
Deductions	[1]	(1,077)			(3,192)
Other		0		0	0
Balance End of Period		$ 377		$ 1,454	$ 1,454

[1] Deductions are for the purpose for which the reserve was created.

[2] Represents reserves of acquired business at date of acquisition.