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Accumulated Other Comprehensive Loss (Tables)

3 Months Ended

Mar. 31, 2023

Other Comprehensive Income (Loss), Tax [Abstract]

Components Of Accumulated Other Comprehensive Loss

The following tables display the components of Accumulated Other Comprehensive Loss, net of tax:

(in millions)			Gains and Losses on Securities(1)						Gains and Losses on Cash Flow Hedges(1)						Pension and OPEB Items(1)						Accumulated Other Comprehensive Loss(1)
Balance as of January 1, 2023			$	(11.2)					$	(12.6)					$	(13.3)					$	(37.1)
Other comprehensive income before reclassifications			1.7						—						—						1.7
Amounts reclassified from accumulated other comprehensive loss			0.3						0.1						0.3						0.7
Net current-period other comprehensive income			2.0						0.1						0.3						2.4
Balance as of March 31, 2023			$	(9.2)					$	(12.5)					$	(13.0)					$	(34.7)

(1)All amounts are net of tax. Amounts in parentheses indicate debits.

(in millions)			Gains and Losses on Securities(1)						Gains and Losses on Cash Flow Hedges(1)						Pension and OPEB Items(1)						Accumulated Other Comprehensive Loss(1)
Balance as of January 1, 2022			$	2.1					$	(122.5)					$	(6.4)					$	(126.8)
Other comprehensive income (loss) before reclassifications			(5.9)						47.0						—						41.1
Amounts reclassified from accumulated other comprehensive loss			0.2						—						0.1						0.3
Net current-period other comprehensive income (loss)			(5.7)						47.0						0.1						41.4
Balance as of March 31, 2022			$	(3.6)					$	(75.5)					$	(6.3)					$	(85.4)

(1)All amounts are net of tax. Amounts in parentheses indicate debits.

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- References

No definition available.

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- Definition

Tabular disclosure of the components of accumulated other comprehensive income (loss).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 830
-SubTopic 30
-Section 50
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=6450520&loc=d3e32583-110901

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 14A
-URI https://asc.fasb.org/extlink&oid=126968391&loc=SL7669686-108580

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 830
-SubTopic 30
-Section 45
-Paragraph 20
-URI https://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900

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