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Note 11 - Pension and Postretirement Benefit Plans - Significant Weighted Average Assumptions Used in Measurement of Pension and Postretirement Benefit Obligations (Details)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
UNITED STATES | Pension Plan [Member]
Benefit obligations:
Discount rate	5.58%	5.12%	5.47%
Net periodic benefit cost:
Discount rate	5.07%	5.36%	2.29%
Expected return on plan assets	5.75%	6.00%	4.00%
UNITED STATES | Other Postretirement Benefits Plan [Member]
Benefit obligations:
Discount rate	5.62%	5.19%	5.54%
Net periodic benefit cost:
Discount rate	5.18%	5.48%	2.84%
Foreign Plan [Member] | Pension Plan [Member]
Benefit obligations:
Discount rate	4.56%	4.33%	4.74%
Net periodic benefit cost:
Discount rate	4.74%	4.98%	2.20%
Rate of compensation increase	3.75%	3.68%	3.11%
Expected return on plan assets	5.39%	5.13%	3.64%
Foreign Plan [Member] | Other Postretirement Benefits Plan [Member]
Benefit obligations:
Discount rate	4.99%	5.01%	5.44%
Net periodic benefit cost:
Discount rate	5.32%	5.64%	3.34%
Initial health care cost trend rate	2.91%	2.76%	2.48%
Ultimate health care cost trend rate	4.17%	4.19%	4.09%
Year ultimate reached	2032	2032	2032

X

- Definition

The initial trend rate for health care costs.

+ References

No definition available.

+ Details

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X

- Definition

Weighted average rate for present value of future retirement benefits cash flows, used to determine benefit obligation of defined benefit plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (k)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-1

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X

- Definition

Weighted average rate for present value of future retirement benefits cash flows, used to determine net periodic benefit cost of defined benefit plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (k)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-1

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X

- Definition

Weighted average rate of return on plan assets, reflecting average rate of earnings expected on existing plan assets and expected contributions, used to determine net periodic benefit cost of defined benefit plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 8
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-8

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (k)(3)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-1

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X

- Definition

Weighted average rate of compensation increase used to determine net periodic benefit cost of defined benefit plan. Plan includes, but is not limited to, pay-related defined benefit plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (k)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-1

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X

- Definition

Ultimate trend rate for health care cost for defined benefit postretirement plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (l)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-1

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- References

No definition available.

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- References

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X

- Definition

Year ultimate health care cost trend rate is expected to be reached, in YYYY format.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (l)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-1

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