Note 12 - Financial Instruments - Swaps Outstanding (Details) - Cross Currency Interest Rate Contract [Member] - USD ($) $ in Thousands	12 Months Ended
Nov. 28, 2020	Oct. 20, 2017
Derivative, Notional Amount	$ 401,200	$ 401,200
Foreign Currency Cash Flow Hedge Asset at Fair Value	$ 2,543
Currency Swap 1 [Member]
Fiscal Year of Expiration	2021
Interest rate minimum	2.75%
Derivative, Notional Amount	$ 133,340
Fair Value	$ (280)
Interest rate maximum	4.933%
Currency Swap 2 [Member]
Fiscal Year of Expiration	2022
Interest rate minimum	3.00%
Derivative, Notional Amount	$ 267,860
Interest rate maximum	5.1803%
Foreign Currency Cash Flow Hedge Asset at Fair Value	$ 2,823

Year of expiration for the foreign currency cash flow hedge.

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- Definition

Maximum interest rate a foreign currency cash flow hedge.

+ References

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- Definition

Minimum interest rate a foreign currency cash flow hedge.

+ References

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- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5580258-113959

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959

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- Definition

Fair value as of the balance sheet date of all foreign currency derivative assets designated as cash flow hedging instruments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4B
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5624163-113959

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- Definition

Fair value as of the balance sheet date of all foreign currency derivative liabilities designated as cash flow hedging instruments.

+ References

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