Note 13 - Capital Stock and Stock Compensation - Restricted Stock Awards (Details) - Restricted Stock [Member] - $ / shares	12 Months Ended
Nov. 24, 2018	Nov. 25, 2017
Restricted Shares Outstanding (in shares)	81,036	99,138
Granted (in dollars per share)	$ 34.41
January 10, 2017 [Member]
Restricted Shares Outstanding (in shares)	36,000
Granted (in dollars per share)	$ 29.05
Remaining Restriction Period (Year)	1 year 36 days
January 11, 2018 [Member]
Restricted Shares Outstanding (in shares)	36,000
Granted (in dollars per share)	$ 35.75
Remaining Restriction Period (Year)	2 years 36 days
March 8, 2017 [Member]
Restricted Shares Outstanding (in shares)	6,036
Granted (in dollars per share)	$ 33.07
Remaining Restriction Period (Year)	109 days
October 2, 2018 [Member]
Restricted Shares Outstanding (in shares)	3,000
Granted (in dollars per share)	$ 20.97
Remaining Restriction Period (Year)	2 years 328 days

The restricted period of time on other than stock (or unit) option plans.

No definition available.

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

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