Restructuring and Transformation Program - Restructuring Costs by Segment (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Restructuring Cost and Reserve [Line Items]
Restructuring and transformation costs	$ 24.0	$ 22.0
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and transformation costs	7.9	15.1
Flow | Operating Segments
Restructuring Cost and Reserve [Line Items]
Restructuring and transformation costs	8.8	2.6
Water Solutions | Operating Segments
Restructuring Cost and Reserve [Line Items]
Restructuring and transformation costs	4.1	0.6
Pool | Operating Segments
Restructuring Cost and Reserve [Line Items]
Restructuring and transformation costs	$ 3.2	$ 3.7