Note 4 - Supplemental Financial Statement Information - Balance Sheet Information (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 03, 2022	Dec. 31, 2021	Nov. 27, 2021	Nov. 28, 2020
Raw materials		$ 237,071		$ 226,723
Finished goods		254,710		221,681
Total inventories	$ 491,781	491,781	$ 448,404	448,404
Other receivables		36,338		28,874
Prepaid income taxes		27,169		13,359
Prepaid taxes other than income taxes		29,322		26,929
Prepaid expenses		27,490		25,889
Assets held for sale		0		1,284
Total other current assets	120,319	120,319	96,335	96,335
Land		84,320		84,492
Buildings and improvements		405,037		395,849
Machinery and equipment		957,371		915,914
Construction in progress		133,010		104,734
Total, at cost	733,667	1,579,738	695,367	1,500,989
Accumulated depreciation		(846,071)		(805,622)
Net property, plant and equipment		733,667		695,367	$ 670,744
Investments in company owned life insurance		8,957		9,584
Equity method investments		42,143		49,333
Equity Securities without Readily Determinable Fair Value, Amount		1,362		1,667
Long-term deferred income taxes		39,048		37,116
Operating lease right-of-use assets		32,440		32,744
Other long-term receivables		9,262		23,661
Other long-term assets		17,192		19,699
Total other assets	335,868	335,868	372,073	372,073
Taxes other than income taxes		14,642		14,280
Miscellaneous services		7,092		5,626
Customer rebates		24,915		20,743
Interest		7,498		2,964
Product liability		154		432
Contingent consideration liability		1,977		8,100
Current operating lease liabilities		9,794
Accrued expenses		23,273		24,995
Total other accrued expenses	$ 89,345	89,345	$ 86,061	86,061
Asset Retirement Obligations, Noncurrent, Total		2,888		2,917
Long-term deferred income taxes		183,190		179,401
Long-term income tax liability		22,202		14,364
Long-term deferred compensation		9,957		9,665
Postretirement other than pension		2,021		2,657
Noncurrent operating lease liabilities		23,421
Environmental liabilities		3,064		3,521
Other long-term liabilities		57,497		40,604
Total other liabilities		358,286		277,190
Cross Currency Interest Rate Contract [Member]
Net investment hedge liabilities		54,046		0
Other Accrued Expenses [Member]
Current operating lease liabilities		9,794		8,921
Other Noncurrent Liabilities [Member]
Noncurrent operating lease liabilities		23,421		24,061
Pension Plan [Member]
Prepaid postretirement costs		86,616		90,946
Other Postretirement Benefits Plan [Member]
Prepaid postretirement costs		$ 98,848		$ 107,323