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Note 2 - Acquisitions - Fair Value Measurement of Assets and Liabilities (Details) - USD ($) $ in Thousands	Feb. 26, 2022	Jan. 26, 2022	Nov. 27, 2021
Goodwill	$ 1,425,936		$ 1,298,845
Apollo [Member]
Cash		$ 12,165
Current assets		18,873
Property, plant and equipment		7,877
Goodwill		104,885
us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwillAbstract
Current liabilities		(8,293)
Other liabilities		(23,883)
Total		205,592
Apollo [Member] \| Customer Relationships [Member]
us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwillAbstract
Other intangibles		82,256
Apollo [Member] \| Trademarks and Trade Names [Member]
us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwillAbstract
Other intangibles		2,154
Apollo [Member] \| Technology-Based Intangible Assets [Member]
us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwillAbstract
Other intangibles		$ 9,558