v3.25.2
Goodwill and Intangibles (Tables)
 6 Months Ended
Jun. 30, 2025
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Change in Carrying Amount of Goodwill
The change in carrying amount of goodwill by reporting segment was as follows (in millions):
InstallationOtherConsolidated
Goodwill (gross) - January 1, 2025$401.9 $100.7 $502.6 
Business combinations3.6 — 3.6 
Other adjustments0.7 — 0.7 
Goodwill (gross) - June 30, 2025406.2 100.7 506.9 
Accumulated impairment losses (70.0)— (70.0)
Goodwill (net) - June 30, 2025$336.2 $100.7 $436.9 
Schedule of Gross Carrying Amount, Accumulated Amortization and Net Book Value
The following table provides the gross carrying amount, accumulated amortization and net book value for each major class of intangibles (in millions):
 As of June 30,As of December 31,
 20252024
 Gross
Carrying
Amount		Accumulated
Amortization		Net
Book
Value		Gross
Carrying
Amount		Accumulated
Amortization		Net
Book
Value
Amortized intangibles:      
Customer relationships$392.6 $221.6 $171.0 $386.4 $207.6 $178.8 
Covenants not-to-compete35.1 28.9 6.2 34.6 27.1 7.5 
Trademarks and tradenames141.7 59.7 82.0 139.5 55.3 84.2 
Backlog22.2 21.7 0.5 21.6 21.6 — 
Total intangibles$591.6 $331.9 $259.7 $582.1 $311.6 $270.5 
Schedule of Estimated Aggregate Annual Amortization
Remaining estimated aggregate annual amortization expense is as follows (amounts, in millions, are for the fiscal year ended):
Remainder of 2025$19.8 
202636.1 
202731.6 
202828.2 
202925.4 
Thereafter118.6