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Goodwill and Intangibles - Schedule of Change in Carrying Amount of Goodwill (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Goodwill [Roll Forward]
Goodwill (gross), beginning balance	$ 502.6	$ 468.8
Business combinations	16.4	33.1
Other adjustments	1.4	0.7
Goodwill (gross), ending balance	520.4	502.6
Accumulated impairment losses	(70.0)	(70.0)
Goodwill (net)	450.4	432.6
Installation
Goodwill [Roll Forward]
Goodwill (gross), beginning balance	401.9	375.2
Business combinations	6.4	26.0
Other adjustments	1.4	0.7
Goodwill (gross), ending balance	409.7	401.9
Accumulated impairment losses	(70.0)	(70.0)
Goodwill (net)	339.7	331.9
Other
Goodwill [Roll Forward]
Goodwill (gross), beginning balance	100.7	93.6
Business combinations	10.0	7.1
Other adjustments	0.0	0.0
Goodwill (gross), ending balance	110.7	100.7
Accumulated impairment losses	0.0	0.0
Goodwill (net)	$ 110.7	$ 100.7

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