Goodwill and Other Intangible Assets (Tables) - Madison Industries IAQ Solutions Corporation

3 Months Ended

Mar. 31, 2026

Intangible Asset And Goodwill [Line Items]

Schedule of Goodwill

The change in the carrying amount of goodwill for the three months ended March 31, 2026 was as follows:

	Commercial		Residential		Total
Balance at December 31, 2025	$	2,242.0	$	1,076.5	$	3,318.5
Foreign currency translation	(1.9)		—		(1.9)
Balance at March 31, 2026	$	2,240.1	$	1,076.5	$	3,316.6

Schedule of Other Intangible Assets Subject to Amortization

The following tables provide the gross carrying amounts and accumulated amortization for other intangible assets subject to amortization at March 31, 2026 and December 31, 2025:

	Trademarks		Customer Relationships		Technology		Patents		Backlog and Other		Total
Gross carrying amount	$	1,299.6	$	2,071.5	$	364.0	$	16.0	$	99.5	$	3,850.6
Accumulated amortization	—		(406.4)		(147.9)		(12.7)		(94.1)		(661.1)
Balance at March 31, 2026	$	1,299.6	$	1,665.1	$	216.1	$	3.3	$	5.4	$	3,189.5

	Trademarks		Customer Relationships		Technology		Patents		Backlog and Other		Total
Gross carrying amount	$	1,300.7	$	2,072.8	$	365.8	$	16.0	$	97.5	$	3,852.8
Accumulated amortization	—		(376.2)		(138.6)		(12.3)		(93.9)		(621.0)
Balance at December 31, 2025	$	1,300.7	$	1,696.6	$	227.2	$	3.7	$	3.6	$	3,231.8