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Note 11 - Income Taxes (Details Textual) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	May 28, 2016	Nov. 27, 2021	Nov. 28, 2020
Undistributed Earnings, Basic, Total		$ 1,044,206
Unrecognized Tax Benefits that Would Impact Effective Tax Rate		8,888	$ 9,125
Income Tax Examination, Penalties and Interest Expense, Total		703	2,378
Income Tax Examination, Penalties and Interest Accrued, Total		2,817	$ 3,520
Income Tax Examination, Year under Examination	2005 2006 2007 2008 2009 2010 2011 2012 2013 2014
Branch Foreign Tax Credit Carryforward [Member]
Tax Credit Carryforward, Amount		3,994
Foreign Tax Authority [Member]
Operating Loss Carryforwards, Total		$ 85,273
Foreign Tax Authority [Member] \| Swiss Federal Tax Administration (FTA) [Member]
Open Tax Year		2018 2019 2020 2021
Foreign Tax Authority [Member] \| Indefinite [Member]
Operating Loss Carryforwards, Total		$ 63,592
Foreign Tax Authority [Member] \| Tax Year 2022 to 2039 [Member]
Operating Loss Carryforwards, Total		$ 21,680
Domestic Tax Authority [Member] \| Internal Revenue Service (IRS) [Member]
Open Tax Year		2018 2019 2020 2021