Revenue Recognition (Details) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024 USD ($)	Jun. 25, 2023 USD ($)	Jun. 30, 2024 USD ($) item segment	Jun. 25, 2023 USD ($)
Disaggregation of Revenue
Number of distribution channels | item			4
Number of geographic segments | segment			3
Revenue	$ 597.3	$ 532.8	$ 1,168.2	$ 1,004.5
Minimum
Disaggregation of Revenue
Period of Business Operations			150 years
Wholesale
Disaggregation of Revenue
Revenue	397.0	324.9	$ 772.2	613.3
OEM
Disaggregation of Revenue
Revenue	64.5	81.1	130.9	152.4
Specialty
Disaggregation of Revenue
Revenue	115.3	105.0	220.9	195.5
DIY
Disaggregation of Revenue
Revenue	20.5	21.8	44.2	43.3
Residential & commercial flow control
Disaggregation of Revenue
Revenue	360.7	299.2	706.5	555.1
HVAC & gas
Disaggregation of Revenue
Revenue	143.2	154.8	283.2	298.7
Drains & water re-use
Disaggregation of Revenue
Revenue	65.6	50.9	122.2	94.0
Water quality
Disaggregation of Revenue
Revenue	27.8	27.9	56.3	56.7
Americas
Disaggregation of Revenue
Revenue	448.1	366.9	866.9	690.1
Americas | Wholesale
Disaggregation of Revenue
Revenue	294.2	222.0	566.4	410.8
Americas | OEM
Disaggregation of Revenue
Revenue	27.0	26.3	53.0	49.4
Americas | Specialty
Disaggregation of Revenue
Revenue	107.0	97.5	204.5	188.0
Americas | DIY
Disaggregation of Revenue
Revenue	19.9	21.1	43.0	41.9
Americas | Residential & commercial flow control
Disaggregation of Revenue
Revenue	288.1	227.0	561.7	421.5
Americas | HVAC & gas
Disaggregation of Revenue
Revenue	93.7	85.3	178.8	163.5
Americas | Drains & water re-use
Disaggregation of Revenue
Revenue	40.0	28.1	73.0	50.9
Americas | Water quality
Disaggregation of Revenue
Revenue	26.3	26.5	53.4	54.2
Europe
Disaggregation of Revenue
Revenue	114.1	135.6	237.4	263.9
Europe | Wholesale
Disaggregation of Revenue
Revenue	77.7	81.9	161.7	163.0
Europe | OEM
Disaggregation of Revenue
Revenue	35.8	53.0	74.5	99.5
Europe | DIY
Disaggregation of Revenue
Revenue	0.6	0.7	1.2	1.4
Europe | Residential & commercial flow control
Disaggregation of Revenue
Revenue	42.2	47.0	89.3	92.5
Europe | HVAC & gas
Disaggregation of Revenue
Revenue	45.7	65.2	97.9	127.5
Europe | Drains & water re-use
Disaggregation of Revenue
Revenue	25.1	22.3	48.0	41.9
Europe | Water quality
Disaggregation of Revenue
Revenue	1.1	1.1	2.2	2.0
APMEA
Disaggregation of Revenue
Revenue	35.1	30.3	63.9	50.5
APMEA | Wholesale
Disaggregation of Revenue
Revenue	25.1	21.0	44.1	39.5
APMEA | OEM
Disaggregation of Revenue
Revenue	1.7	1.8	3.4	3.5
APMEA | Specialty
Disaggregation of Revenue
Revenue	8.3	7.5	16.4	7.5
APMEA | Residential & commercial flow control
Disaggregation of Revenue
Revenue	30.4	25.2	55.5	41.1
APMEA | HVAC & gas
Disaggregation of Revenue
Revenue	3.8	4.3	6.5	7.7
APMEA | Drains & water re-use
Disaggregation of Revenue
Revenue	0.5	0.5	1.2	1.2
APMEA | Water quality
Disaggregation of Revenue
Revenue	$ 0.4	$ 0.3	$ 0.7	$ 0.5