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Goodwill and Intangibles - Summary of Change in Carrying Amount of Goodwill (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2025	Dec. 31, 2024
Goodwill [Roll Forward]
Goodwill (gross), beginning balance	$ 502.6
Business combinations	10.6
Other adjustments	1.1
Goodwill (gross), ending balance	514.3
Accumulated impairment losses	(70.0)
Goodwill (net)	444.3	$ 432.6
Installation
Goodwill [Roll Forward]
Goodwill (gross), beginning balance	401.9
Business combinations	3.6
Other adjustments	1.1
Goodwill (gross), ending balance	406.6
Accumulated impairment losses	(70.0)
Goodwill (net)	336.6
Other
Goodwill [Roll Forward]
Goodwill (gross), beginning balance	100.7
Business combinations	7.0
Other adjustments	0.0
Goodwill (gross), ending balance	107.7
Accumulated impairment losses	0.0
Goodwill (net)	$ 107.7

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