Note 10 - Pension and Postretirement Benefits - Expected Cash Flows for Employer Contributions and Expected Benefit Payments (Details) $ in Thousands	Nov. 28, 2020 USD ($)
Pension Plan [Member] \| UNITED STATES
2021	$ 312
2021	21,084
2022	21,521
2023	21,127
2024	21,444
2025	105,296
Pension Plan [Member] \| Foreign Plan [Member]
2021	54
2021	16,196
2022	8,689
2023	8,710
2024	8,943
2025	47,195
Other Postretirement Benefits Plan [Member]
2021	1,500
2021	2,999
2022	2,938
2023	2,872
2024	2,772
2025	$ 12,092

Amount of benefit for defined benefit plan expected to be paid in next fiscal year following current fiscal year.

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Amount of benefit for defined benefit plan expected to be paid in fifth fiscal year following current fiscal year.

+ References

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Amount of benefit for defined benefit plan expected to be paid in fourth fiscal year following current fiscal year.

+ References

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Amount of benefit for defined benefit plan expected to be paid in third fiscal year following current fiscal year.

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Amount of benefit for defined benefit plan expected to be paid in second fiscal year following current fiscal year.

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Amount of contribution expected to be received by defined benefit plan from employer in next fiscal year following current fiscal year.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 55
-Paragraph 18
-URI http://asc.fasb.org/extlink&oid=118257860&loc=d3e4587-114921

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