Business Acquisitions and Dispositions (Tables)

12 Months Ended

Dec. 31, 2025

Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract]

Schedule of the Fair Values of the Assets Acquired and Liabilities Assumed

The following table summarizes the preliminary fair values of the assets acquired and liabilities assumed at the date of acquisition for the Company's 2025 acquisitions of Ventev, Nicor and DMC Power (in millions):

Accounts receivable	$	32.3
Inventories	47.6
Other current assets	1.9
Property, plant and equipment	54.7
Other non-current assets	5.4
Intangible assets	417.1
Accounts payable	(12.6)
Other accrued liabilities	(16.1)
Deferred tax liabilities, net	(106.5)
Other non-current liabilities	(4.7)
Goodwill	539.2
Total Estimate of Consideration Transferred, Net of Cash Acquired	$	958.3

The following table presents the final determination of the fair value of identifiable assets acquired and liabilities assumed from the Company’s 2023 acquisitions. Fair value estimates are based on a complex series of judgments about future events and uncertainties and rely heavily on estimates and assumptions. The judgments used to determine the estimated fair value assigned to each class of assets acquired and liabilities assumed, as well as asset lives, can materially impact the Company’s results of operations (in millions):

Accounts receivable	$	71.5
Inventories	84.9
Other current assets	49.6
Property, plant and equipment	31.6
Other non-current assets	2.8
Intangible assets	608.2
Accounts payable	(17.5)
Other accrued liabilities	(85.1)
Deferred tax liabilities, net	(134.0)
Other non-current liabilities	(11.9)
Goodwill	605.7
Total Estimate of Consideration Transferred, Net of Cash Acquired	$	1,205.8

Schedule of Business Acquisition, Pro Forma Information, Nonrecurring Adjustments

The following unaudited supplemental pro-forma information presents consolidated results as if the acquisitions had been completed on January 1, 2022. Following that approach, for the purpose of the pro-forma results presented in the tables below, certain costs incurred by the Company during 2023 have been reclassified into the pro-forma 2022 period. Those reclassifications primarily include the following, which represent the amount of increase or (decrease) to reported results to arrive at the pro-forma results (in millions, except per share amounts).

	Twelve Months Ended December 31,		Per Diluted Share
	2023		2023
Transaction costs incurred in 2023(1)	$	11.2	$	0.21
Intangible amortization and inventory step up(2)	$	(20.7)	$	(0.38)
Interest expense(3)	$	1.2	$	0.02

(1) Transaction costs incurred in 2023 have been reclassified into the comparative pro-forma 2022 period.

(2) Intangible amortization and inventory step up amortization incurred in 2023 have been reclassified into the comparable pro-forma 2022 period and increased to reflect the assumption the transactions were completed on January 1, 2022. The pro-forma 2023 period includes the intangible amortization that would be incurred assuming that the transactions had been completed on January 1, 2022.

(3) Interest expense incurred in 2023, reflecting amounts incurred from the date of the acquisitions, has been reclassified into the pro-forma 2022 period and increased to reflect the assumption that the transactions were completed on January 1, 2022. The pro-forma 2023 period includes the interest expense that would have been incurred assuming the transactions had been completed on January 1, 2022.

Schedule of Business Acquisition, Pro Forma Information

The pro-forma results were calculated by combining the results of the Company with the stand-alone results of the acquisitions for the pre-acquisition periods, as described above:

	Twelve Months Ended
(in millions, except per share amounts)	December 31, 2023
Net sales	$	5,762.1
Net income attributable to Hubbell	$	801.4
Earnings Per Share:
Basic	$	14.92
Diluted	$	14.81

Business Combination, Intangible Asset, Acquired, Finite-Lived

The purchase price allocation to identifiable intangible assets acquired for all of the 2025 acquisitions is as follows (in millions, except useful life amounts):

	Estimated Fair Value		Weighted Average Estimated Useful Life
Patents, tradenames and trademarks	$	19.2	20
Customer relationships	338.5		23
Developed technology	55.0		10
Backlog	4.4		2
Total	$	417.1

The purchase price allocation to identifiable intangible assets acquired for all of the 2023 acquisitions is as follows (in millions, except useful life amounts):

	Estimated Fair Value		Weighted Average Estimated Useful Life
Patents, tradenames and trademarks	$	45.1	20
Customer relationships	503.0		21
Developed technology	8.5		10
Backlog	51.6		3
Total	$	608.2