Restructuring and Transformation Program - Restructuring Costs by Segment (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Restructuring Cost and Reserve [Line Items]
Restructuring and transformation costs	$ 17.1	$ 6.8	$ 39.1	$ 18.4
Flow
Restructuring Cost and Reserve [Line Items]
Restructuring and transformation costs	2.4	0.8
Water Solutions
Restructuring Cost and Reserve [Line Items]
Restructuring and transformation costs	0.9	(2.6)	1.5	(1.1)
Pool
Restructuring Cost and Reserve [Line Items]
Restructuring and transformation costs	1.7	1.9	5.4	5.2
Other
Restructuring Cost and Reserve [Line Items]
Restructuring and transformation costs	$ 12.1	$ 6.7	27.2	13.1
Flow
Restructuring Cost and Reserve [Line Items]
Restructuring and transformation costs			$ 5.0	$ 1.2