Goodwill and Other Intangible Assets - Goodwill (Details) $ in Millions	6 Months Ended
Jun. 30, 2026 USD ($)
Goodwill [Roll Forward]
Beginning balance	$ 3,318.5
Foreign currency translation	(3.7)
Ending balance	3,314.8
Commercial
Goodwill [Roll Forward]
Beginning balance	2,242.0
Foreign currency translation	(3.7)
Ending balance	2,238.3
Residential
Goodwill [Roll Forward]
Beginning balance	1,076.5
Foreign currency translation	0.0
Ending balance	$ 1,076.5

Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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+ Details