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Note 11 - Dispositions and Discontinued Operations (Details Textual) - Discontinued Operations, Held-for-Sale [Member] - Energy Business [Member] - USD ($) $ in Millions			12 Months Ended
	Feb. 01, 2023	Oct. 28, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Disposal Group, Including Discontinued Operation, Consideration	$ 3,066.4	$ 3,100.0
Disposal Group, Including Discontinued Operation, Contingent Cash Consideration		200.0
Impairment of Long-Lived Assets to be Disposed of		$ 303.7	$ 0.0	$ 303.7	$ 0.0
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal	$ (128.4)
Discontinued Operation, Amount of Adjustment to Prior Period Gain (Loss) on Disposal, before Income Tax			$ 2.7

X

- Definition

Amount before tax of an increase (decrease) to a gain (loss) previously reported in discontinued operations in a prior period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 205
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3A
-Publisher FASB
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X

- Definition

Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

+ References

No definition available.

+ Details

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X

- Definition

Amount before tax of gain (loss) recognized on the sale or disposal of a disposal group. Excludes discontinued operations.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-28

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 360
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- Definition

The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Subparagraph (b)
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-Topic 230
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X

- Definition

Amount of contingent cash consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

+ References

No definition available.

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