Note 4 - Supplemental Financial Statement Information - Balance Sheet Information (Details) - USD ($) $ in Thousands	Nov. 30, 2024	Dec. 02, 2023	Dec. 03, 2022
Raw materials	$ 215,936	$ 206,140
Finished goods	251,562	235,900
Total inventories	467,498	442,040
Other receivables	39,149	40,760
Prepaid income taxes	12,218	12,327
Prepaid taxes other than income taxes	31,295	34,455
Prepaid expenses	21,357	25,136
Total other current assets	104,019	112,678
Land	108,093	91,320
Buildings and improvements	470,106	447,428
Machinery and equipment	1,161,379	1,058,916
Construction in progress	124,980	157,371
Total, at cost	1,864,558	1,755,035
Accumulated depreciation	(982,631)	(930,380)
Net property, plant and equipment	881,927	824,655	$ 733,667
Investments in company owned life insurance	9,814	9,334
Equity method investments	37,059	37,562
Equity Securities without Readily Determinable Fair Value, Amount	1,023	1,362
Long-term deferred income taxes	39,298	42,949
Operating lease right-of-use assets	61,116	47,433
Other long-term receivables	14,577	14,013
Other long-term assets	10,709	12,758
Total other assets	449,665	371,165
Taxes other than income taxes	24,559	22,497
Miscellaneous services	9,026	8,319
Customer rebates	21,901	17,938
Interest	5,628	5,819
Product liability	233	175
Contingent consideration liability	0	1,370
Current operating lease liabilities	13,473	11,277
Current obligations of finance leases	1,908	16,184
Accrued expenses	20,310	24,323
Total other accrued expenses	97,038	107,902
Asset Retirement Obligations, Noncurrent	3,321	3,147
Long-term deferred income taxes	141,693	176,385
Long-term income tax liability	18,195	19,225
Long-term deferred compensation	11,716	9,884
Postretirement other than pension	1,837	1,893
Noncurrent operating lease liabilities	48,628	36,879
Environmental liabilities	1,174	2,563
Other long-term liabilities	46,193	65,507
Total other liabilities	322,299	388,072
Cross Currency Interest Rate Contract [Member]
Net investment hedge liabilities	49,542	72,589
Pension Plan [Member]
Prepaid postretirement costs	119,493	92,323
Other Postretirement Benefits Plan [Member]
Prepaid postretirement costs	$ 156,576	$ 113,431