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Accumulated Other Comprehensive Income (Loss) ("AOCI")

9 Months Ended

Sep. 30, 2025

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

Accumulated Other Comprehensive Income (Loss) ("AOCI")

Note 15 – Accumulated Other Comprehensive Income (Loss) (“AOCI”)

The following table presents a summary of the changes in each component of AOCI for the nine months ended September 30, 2025:

(in millions)		Unrealized gains (losses) on debt  securities				Foreign currency translation adjustment				Pension benefit adjustment				Accumulated other comprehensive income (loss)
Balance at December 31, 2024		$	(353.7	)		$	(111.0	)		$	(31.7	)		$	(496.4	)
Change in unrealized losses on debt securities			243.4				—				—				243.4
Change in foreign currency translation adjustment			—				27.7				—				27.7
Amortization of net actuarial loss			—				—				1.4				1.4
Tax effect			(61.3	)			(0.6	)			(0.4	)			(62.3	)
Balance at September 30, 2025		$	(171.6	)		$	(83.9	)		$	(30.7	)		$	(286.2	)

The following table presents the other comprehensive income (loss) reclassification adjustments for the three months ended September 30, 2025 and 2024:

(in millions)		Unrealized gains (losses) on debt  securities				Foreign currency translation adjustment				Pension benefit adjustment				Total other comprehensive income (loss)
Three Months Ended September 30, 2025
Pretax change before reclassifications		$	91.7			$	(11.9	)		$	—			$	79.8
Reclassifications out of AOCI			2.0				—				0.5				2.5
Tax effect			(22.9	)			0.2				(0.2	)			(22.9	)
Total other comprehensive income (loss), net of tax		$	70.8			$	(11.7	)		$	0.3			$	59.4
Three Months Ended September 30, 2024
Pretax change before reclassifications		$	244.0			$	14.9			$	—			$	258.9
Reclassifications out of AOCI			326.6				—				0.6				327.2
Tax effect			(146.4	)			(0.4	)			(0.1	)			(146.9	)
Total other comprehensive income, net of tax		$	424.2			$	14.5			$	0.5			$	439.2

The following table presents the other comprehensive income (loss) reclassification adjustments for the nine months ended September 30, 2025 and 2024:

(in millions)		Unrealized gains (losses) on debt  securities				Foreign currency translation adjustment				Pension benefit adjustment				Total other comprehensive income (loss)
Nine Months Ended September 30, 2025
Pretax change before reclassifications		$	234.5			$	27.7			$	—			$	262.2
Reclassifications out of AOCI			8.9				—				1.4				10.3
Tax effect			(61.3	)			(0.6	)			(0.4	)			(62.3	)
Total other comprehensive income, net of tax		$	182.1			$	27.1			$	1.0			$	210.2
Nine Months Ended September 30, 2024
Pretax change before reclassifications		$	165.3			$	(4.0	)		$	—			$	161.3
Reclassifications out of AOCI			331.0				—				1.7				332.7
Tax effect			(128.5	)			0.2				(0.4	)			(128.7	)
Total other comprehensive income (loss), net of tax		$	367.8			$	(3.8	)		$	1.3			$	365.3

The following table presents the effects of the reclassifications out of AOCI on the respective line items in the condensed consolidated statements of income:

		Three Months Ended September 30,								Nine Months Ended September 30,
(in millions)		2025				2024				2025				2024				Affected line items
Unrealized gains (losses) on debt securities:
Net realized losses on sales of debt    securities		$	(2.0	)		$	(326.6	)		$	(8.9	)		$	(331.0	)		Net investment gains    (losses)
Tax effect		$	0.4			$	84.6			$	2.2			$	85.7
Pension benefit adjustment (1):
Amortization of net actuarial loss		$	(0.5	)		$	(0.6	)		$	(1.4	)		$	(1.7	)		Other operating expenses
Tax effect		$	0.2			$	0.1			$	0.4			$	0.4

(1)Amounts are components of net periodic cost. See Note 11 Employee Benefit Plans for additional details.

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- References

No definition available.

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- Definition

The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04(19))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477250/944-220-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(21))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04(23))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478524/942-220-S99-1

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org/220/tableOfContent

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