Revenue Recognition (Details) $ in Millions	12 Months Ended
	Dec. 31, 2025 USD ($) segment item	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Disaggregation of Revenue
Number of distribution channels | item	4
Number of geographic segments | segment	3
Revenue	$ 2,438.5	$ 2,252.2	$ 2,056.3
Minimum
Disaggregation of Revenue
Period of Business Operations	150 years
Wholesale
Disaggregation of Revenue
Revenue	$ 1,604.7	1,494.3
OEM
Disaggregation of Revenue
Revenue	247.9	244.2
Specialty
Disaggregation of Revenue
Revenue	502.7	429.2
DIY
Disaggregation of Revenue
Revenue	83.2	84.5
Residential & Commercial Flow Control
Disaggregation of Revenue
Revenue	1,487.9	1,357.2
HVAC and Gas Products
Disaggregation of Revenue
Revenue	572.1	544.2
Drainage and Water Re-use Products
Disaggregation of Revenue
Revenue	262.1	241.3
Water Quality Products
Disaggregation of Revenue
Revenue	116.4	109.5
Americas
Disaggregation of Revenue
Revenue	1,847.4	1,664.9
Americas | Wholesale
Disaggregation of Revenue
Revenue	1,188.9	1,086.3
Americas | OEM
Disaggregation of Revenue
Revenue	105.3	99.7
Americas | Specialty
Disaggregation of Revenue
Revenue	472.5	396.6
Americas | DIY
Disaggregation of Revenue
Revenue	80.7	82.3
Americas | Residential & Commercial Flow Control
Disaggregation of Revenue
Revenue	1,192.5	1,070.9
Americas | HVAC and Gas Products
Disaggregation of Revenue
Revenue	379.7	346.2
Americas | Drainage and Water Re-use Products
Disaggregation of Revenue
Revenue	163.6	143.5
Americas | Water Quality Products
Disaggregation of Revenue
Revenue	111.6	104.3
Europe
Disaggregation of Revenue
Revenue	450.7	453.3
Europe | Wholesale
Disaggregation of Revenue
Revenue	314.3	313.0
Europe | OEM
Disaggregation of Revenue
Revenue	133.9	138.1
Europe | DIY
Disaggregation of Revenue
Revenue	2.5	2.2
Europe | Residential & Commercial Flow Control
Disaggregation of Revenue
Revenue	172.1	167.7
Europe | HVAC and Gas Products
Disaggregation of Revenue
Revenue	181.2	186.3
Europe | Drainage and Water Re-use Products
Disaggregation of Revenue
Revenue	93.4	95.2
Europe | Water Quality Products
Disaggregation of Revenue
Revenue	4.0	4.1
APMEA
Disaggregation of Revenue
Revenue	140.4	134.0
APMEA | Wholesale
Disaggregation of Revenue
Revenue	101.5	95.0
APMEA | OEM
Disaggregation of Revenue
Revenue	8.7	6.4
APMEA | Specialty
Disaggregation of Revenue
Revenue	30.2	32.6
APMEA | Residential & Commercial Flow Control
Disaggregation of Revenue
Revenue	123.3	118.6
APMEA | HVAC and Gas Products
Disaggregation of Revenue
Revenue	11.2	11.7
APMEA | Drainage and Water Re-use Products
Disaggregation of Revenue
Revenue	5.1	2.6
APMEA | Water Quality Products
Disaggregation of Revenue
Revenue	$ 0.8	$ 1.1