Restructuring and Transformation Program - Restructuring Costs by Segment (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Restructuring Cost and Reserve [Line Items]
Restructuring and transformation costs	$ 43.7	$ 16.6	$ 82.8	$ 35.0
Flow
Restructuring Cost and Reserve [Line Items]
Restructuring and transformation costs	6.0	1.6
Water Solutions
Restructuring Cost and Reserve [Line Items]
Restructuring and transformation costs	16.2	2.7	17.7	1.6
Pool
Restructuring Cost and Reserve [Line Items]
Restructuring and transformation costs	4.7	1.7	10.1	6.9
Other
Restructuring Cost and Reserve [Line Items]
Restructuring and transformation costs	$ 16.8	$ 10.6	44.0	23.7
Flow
Restructuring Cost and Reserve [Line Items]
Restructuring and transformation costs			$ 11.0	$ 2.8