Goodwill (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2023
Goodwill [Roll Forward]
Goodwill, Beginning Balance		$ 186.3
Goodwill Reallocation		0.0
Reallocation to Assets Held for Sale		(4.6)
Goodwill, Ending Balance	$ 181.7	181.7
Discontinued Operations, Held-for-Sale
Goodwill [Roll Forward]
Goodwill impairment	2.3
Residential
Goodwill [Roll Forward]
Goodwill, Beginning Balance		26.1
Goodwill Reallocation		0.0
Reallocation to Assets Held for Sale		0.0
Goodwill, Ending Balance	26.1	26.1
Commercial
Goodwill [Roll Forward]
Goodwill, Beginning Balance		61.1
Goodwill Reallocation		94.5
Reallocation to Assets Held for Sale		0.0
Goodwill, Ending Balance	155.6	155.6
Refrigeration
Goodwill [Roll Forward]
Goodwill, Beginning Balance		99.1
Goodwill Reallocation		(99.1)
Reallocation to Assets Held for Sale		0.0
Goodwill, Ending Balance	0.0	0.0
Corporate & Other
Goodwill [Roll Forward]
Goodwill, Beginning Balance		0.0
Goodwill Reallocation		4.6
Reallocation to Assets Held for Sale		(4.6)
Goodwill, Ending Balance	$ 0.0	$ 0.0