Goodwill and Other Intangible Assets

9 Months Ended

Sep. 30, 2026

Intangible Asset, Goodwill and Other [Abstract]

Goodwill and Other Intangible Assets

Goodwill and Other Intangible Assets

The change in the carrying amount of goodwill for the nine months ended September 30, 2026 was as follows:

	Commercial		Residential		Total
Balance at December 31, 2025	$	2,242.0	$	1,076.5	$	3,318.5
Foreign currency translation	(4.4)		—		(4.4)
Balance at September 30, 2026	$	2,237.6	$	1,076.5	$	3,314.1

The following tables provide the gross carrying amounts and accumulated amortization for other intangible assets subject to amortization at September 30, 2026 and December 31, 2025:

	Trademarks		Customer Relationships		Technology		Patents		Backlog and Other		Total
Gross carrying amount	$	1,297.8	$	2,069.6	$	365.9	$	16.0	$	97.1	$	3,846.4
Accumulated amortization	—		(465.0)		(167.9)		(13.5)		(94.3)		(740.7)
Balance at September 30, 2026	$	1,297.8	$	1,604.6	$	198.0	$	2.5	$	2.8	$	3,105.7

	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

Intangible asset amortization expense was $39.9 and $40.8 for the three months ended September 30, 2026 and 2025, respectively, and $121.5 and $100.7 for the nine months ended September 30, 2026 and 2025, respectively.