Note 11 - Income Taxes - Reconciliation of Effective Income Tax (Details) - USD ($) $ in Thousands	12 Months Ended
Nov. 27, 2021	Nov. 28, 2020	Nov. 30, 2019
Tax at statutory U.S. federal income tax rate	$ 45,539	$ 33,255	$ 36,294
State income taxes, net of federal benefit	1,444	(2,104)	2,785
Foreign dividend repatriation	1,104	900	825
Foreign operations	19,673	(563)	8,712
Executive compensation over $1.0 million	2,507	1,420	1,661
Non-U.S. stock option expense	575	358	425
Change in valuation allowance	(9,572)	5,925	1,097
Research and development tax credit	(993)	(906)	(802)
Foreign-derived intangible income	(2,617)	(1,396)	(2,240)
Global intangible low-taxed income	2,334	1,932	2,029
Provision to return	1,122	1,704	(3,271)
Cross currency swap	3,931	(6,748)	2,677
Contingency reserve	(2,139)	8,287	(957)
Other	125	(143)	173
Total income tax expense	$ 63,033	$ 41,921	$ 49,408

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to cross currency swaps, or exchanges of interest payments and principal in one currency for interest payments and principal in a different currency.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to foreign-derived income which comes from exporting products tied to intangible assets such as copyrights, trademarks, and patents held in the domestic country of operation.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to equity in earnings (loss) of unconsolidated subsidiaries exempt from income taxes.

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The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319

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Amount of reported income tax expense (benefit) in excess of (less than) expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to nondeductible expense for award under share-based payment arrangement. Includes, but is not limited to, expense determined to be nondeductible upon grant or after for award under share-based payment arrangement.

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