Revenue - Geographic Net Sales Information by Segment (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Disaggregation of Revenue [Line Items]
Net sales	$ 1,022.0	$ 993.4	$ 3,155.5	$ 3,109.9
Residential
Disaggregation of Revenue [Line Items]
Net sales	568.3	519.5	1,796.0	1,644.1
Commercial
Disaggregation of Revenue [Line Items]
Net sales	257.6	282.7	781.8	864.9
Industrial
Disaggregation of Revenue [Line Items]
Net sales	196.1	191.2	577.7	600.9
U.S.
Disaggregation of Revenue [Line Items]
Net sales	703.9	687.6	2,236.0	2,166.4
Western Europe
Disaggregation of Revenue [Line Items]
Net sales	126.7	117.0	371.8	375.8
Developing
Disaggregation of Revenue [Line Items]
Net sales	130.6	129.9	375.8	391.9
Other Developed
Disaggregation of Revenue [Line Items]
Net sales	$ 60.8	$ 58.9	$ 171.9	$ 175.8