v3.26.1
Goodwill and Other Intangible Assets
 6 Months Ended
Jun. 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 six months ended June 30, 2026 was as follows:
CommercialResidentialTotal
Balance at December 31, 2025$2,242.0 $1,076.5 $3,318.5 
Foreign currency translation(3.7)— (3.7)
Balance at June 30, 2026$2,238.3 $1,076.5 $3,314.8 
The following tables provide the gross carrying amounts and accumulated amortization for other intangible assets subject to amortization at June 30, 2026 and December 31, 2025:
TrademarksCustomer RelationshipsTechnologyPatentsBacklog and OtherTotal
Gross carrying amount$1,298.1 $2,069.8 $363.6 $16.0 $99.4 $3,846.9 
Accumulated amortization— (436.5)(157.1)(13.1)(94.2)(700.9)
Balance at June 30, 2026$1,298.1 $1,633.3 $206.5 $2.9 $5.2 $3,146.0 
TrademarksCustomer RelationshipsTechnologyPatentsBacklog and OtherTotal
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 $40.7 and $34.7 for the three months ended June 30, 2026 and 2025, respectively, and $81.6 and $59.9 for the six months ended June 30, 2026 and 2025, respectively.