Revenue Recognition (Details) $ in Millions	3 Months Ended
	Mar. 30, 2025 USD ($) segment item	Mar. 31, 2024 USD ($)
Disaggregation of Revenue
Number of distribution channels | item	4
Number of geographic segments | segment	3
Revenue	$ 558.0	$ 570.9
Minimum
Disaggregation of Revenue
Period of Business Operations	150 years
Wholesale
Disaggregation of Revenue
Revenue	$ 365.1	375.2
OEM
Disaggregation of Revenue
Revenue	58.4	66.4
Specialty
Disaggregation of Revenue
Revenue	112.7	105.6
DIY
Disaggregation of Revenue
Revenue	21.8	23.7
Residential & Commercial Flow Control
Disaggregation of Revenue
Revenue	340.8	345.9
HVAC and Gas Products
Disaggregation of Revenue
Revenue	132.1	140.1
Drainage and Water Re-use Products
Disaggregation of Revenue
Revenue	56.3	56.5
Water Quality Products
Disaggregation of Revenue
Revenue	28.8	28.4
Americas
Disaggregation of Revenue
Revenue	418.1	418.8
Americas | Wholesale
Disaggregation of Revenue
Revenue	266.5	272.2
Americas | OEM
Disaggregation of Revenue
Revenue	24.7	26.0
Americas | Specialty
Disaggregation of Revenue
Revenue	105.6	97.5
Americas | DIY
Disaggregation of Revenue
Revenue	21.3	23.1
Americas | Residential & Commercial Flow Control
Disaggregation of Revenue
Revenue	270.8	273.6
Americas | HVAC and Gas Products
Disaggregation of Revenue
Revenue	86.3	85.1
Americas | Drainage and Water Re-use Products
Disaggregation of Revenue
Revenue	33.6	33.0
Americas | Water Quality Products
Disaggregation of Revenue
Revenue	27.4	27.1
Europe
Disaggregation of Revenue
Revenue	108.4	123.3
Europe | Wholesale
Disaggregation of Revenue
Revenue	75.7	84.0
Europe | OEM
Disaggregation of Revenue
Revenue	32.2	38.7
Europe | DIY
Disaggregation of Revenue
Revenue	0.5	0.6
Europe | Residential & Commercial Flow Control
Disaggregation of Revenue
Revenue	41.4	47.2
Europe | HVAC and Gas Products
Disaggregation of Revenue
Revenue	43.4	52.2
Europe | Drainage and Water Re-use Products
Disaggregation of Revenue
Revenue	22.3	22.9
Europe | Water Quality Products
Disaggregation of Revenue
Revenue	1.3	1.0
APMEA
Disaggregation of Revenue
Revenue	31.5	28.8
APMEA | Wholesale
Disaggregation of Revenue
Revenue	22.9	19.0
APMEA | OEM
Disaggregation of Revenue
Revenue	1.5	1.7
APMEA | Specialty
Disaggregation of Revenue
Revenue	7.1	8.1
APMEA | Residential & Commercial Flow Control
Disaggregation of Revenue
Revenue	28.6	25.1
APMEA | HVAC and Gas Products
Disaggregation of Revenue
Revenue	2.4	2.8
APMEA | Drainage and Water Re-use Products
Disaggregation of Revenue
Revenue	0.4	0.6
APMEA | Water Quality Products
Disaggregation of Revenue
Revenue	$ 0.1	$ 0.3