Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2024

Text Block [Abstract]

Schedule of Carrying Value of Goodwill

The carrying value of goodwill as of December 31, 2024 and 2023 was as follows:

(in millions)	Regulated Energy		Unregulated Energy		Total Goodwill
Balance at December 31, 2023	$	468.7	$	39.5	$	508.2
Reductions (1)	(0.4)		(0.1)		(0.5)
Balance at December 31, 2024	$	468.3	$	39.4	$	507.7

(1) Adjustments to goodwill in our Regulated Energy segment attributable to purchase accounting adjustments related to our acquisition of FCG in November 2023. Adjustments in the Unregulated Energy segment relate to the sale of certain assets in our propane distribution business during 2024. See Note 4 for additional details.

Schedule of Carrying Value and Accumulated Amortization of Intangible Assets

The carrying value and accumulated amortization of intangible assets subject to amortization as of December 31, 2024 and 2023 were as follows:

	As of December 31,
	2024				2023
(in millions)	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Customer relationships	$	17.0	$	8.2	$	17.0	$	7.1
Non-Compete agreements	3.1		2.3		3.1		1.9
Patents (1)	6.6		1.2		6.6		0.9
Other	0.3		0.3		0.3		0.2
Total	$	27.0	$	12.0	$	27.0	$	10.1