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Note 5 - Derivative Instruments (Tables)

9 Months Ended

Sep. 30, 2025

Notes Tables

Schedule of Notional Amounts of Outstanding Derivative Positions [Table Text Block]

		Notional value
		September 30, 2025				December 31, 2024
Futures and contracts for difference		$	1,471.3			$	789.0
Credit default swaps			159.5				148.5
Total return swaps			59.4				69.7
Foreign currency forward contracts			296.6				328.2
TBAs			42.6				9.1

		Notional value
		September 30, 2025				December 31, 2024
Futures and contracts for difference		$	711.9			$	160.5
Credit default swaps			12.7				4.3
Total return swaps			32.5				10.3
Interest rate swaps			15.0				13.9
Foreign currency forward contracts			286.4				196.6
Other			1.6				—

		Notional value
		September 30, 2025				December 31, 2024
Foreign currency forward contracts and swaps		$	36.9			$	38.4

Derivative Instruments, Gain (Loss) [Table Text Block]

		Three months ended								Nine months ended
		September 30,								September 30,
		2025				2024				2025				2024
Futures and contracts for difference		$	(19.0	)		$	(16.6	)		$	(42.1	)		$	(22.4	)
Credit default swaps			(0.8	)			(1.0	)			(1.4	)			(2.5	)
Total return swaps			(1.8	)			(3.4	)			(7.3	)			(9.3	)
Foreign currency forward contracts and swaps			(5.2	)			9.7				0.2				10.6
TBAs			(0.3	)			—				(0.7	)			—
Total gains (losses) from derivative instruments		$	(27.1	)		$	(11.3	)		$	(51.3	)		$	(23.6	)

Schedule of Derivative Instruments [Table Text Block]

		Fair value
		September 30, 2025				December 31, 2024
Derivative liabilities		$	10.3			$	8.5

X

- Definition

Tabular disclosure of the location and amount of derivative instruments and nonderivative instruments designated as hedging instruments reported before netting adjustments, and the amount of gain (loss) on derivative instruments and nonderivative instruments designated and qualified as hedging instruments.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4CC
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4CC

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4C
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4C

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4A
-Subparagraph (c)
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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-SubTopic 10
-Name Accounting Standards Codification
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-Paragraph 4A
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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4E
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4E

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- Definition

Tabular disclosure of pertinent information about a derivative or group of derivatives on a disaggregated basis, such as for individual instruments, or small groups of similar instruments. May include a combination of the type of instrument, risks being hedged, notional amount, hedge designation, related hedged item, inception date, maturity date, or other relevant item.

+ References

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1A
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-1A

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