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Revenue Recognition (Details) $ in Millions	3 Months Ended		9 Months Ended
Revenue Recognition (Details) $ in Millions	Sep. 24, 2023 USD ($)	Sep. 25, 2022 USD ($)	Sep. 24, 2023 USD ($) segment item	Sep. 25, 2022 USD ($)
Disaggregation of Revenue
Number of distribution channels \| item			4
Number of geographic segments \| segment			3
Revenue	$ 504.3	$ 487.8	$ 1,508.8	$ 1,477.6
Minimum
Disaggregation of Revenue
Period of Business Operations			150 years
Wholesale
Disaggregation of Revenue
Revenue	306.0	292.0	$ 919.2	884.8
OEM
Disaggregation of Revenue
Revenue	74.5	70.8	227.0	218.6
Specialty
Disaggregation of Revenue
Revenue	105.0	105.7	300.6	312.0
DIY
Disaggregation of Revenue
Revenue	18.8	19.3	62.0	62.2
Residential & commercial flow control
Disaggregation of Revenue
Revenue	280.0	252.0	835.3	768.7
HVAC & gas
Disaggregation of Revenue
Revenue	146.6	149.4	445.2	458.3
Drains & water re-use
Disaggregation of Revenue
Revenue	49.4	52.5	143.4	151.8
Water quality
Disaggregation of Revenue
Revenue	28.3	33.9	84.9	98.8
Americas
Disaggregation of Revenue
Revenue	351.0	349.8	1,041.1	1,039.6
Americas \| Wholesale
Disaggregation of Revenue
Revenue	211.8	200.0	622.6	589.1
Americas \| OEM
Disaggregation of Revenue
Revenue	25.0	25.5	74.4	78.1
Americas \| Specialty
Disaggregation of Revenue
Revenue	96.0	105.7	284.0	312.0
Americas \| DIY
Disaggregation of Revenue
Revenue	18.2	18.6	60.1	60.4
Americas \| Residential & commercial flow control
Disaggregation of Revenue
Revenue	212.9	196.0	634.4	586.0
Americas \| HVAC & gas
Disaggregation of Revenue
Revenue	82.8	91.3	246.3	276.3
Americas \| Drains & water re-use
Disaggregation of Revenue
Revenue	28.0	30.0	78.9	82.6
Americas \| Water quality
Disaggregation of Revenue
Revenue	27.3	32.5	81.5	94.7
Europe
Disaggregation of Revenue
Revenue	120.2	113.1	384.1	370.9
Europe \| Wholesale
Disaggregation of Revenue
Revenue	71.6	69.0	234.6	233.9
Europe \| OEM
Disaggregation of Revenue
Revenue	48.0	43.4	147.6	135.2
Europe \| DIY
Disaggregation of Revenue
Revenue	0.6	0.7	1.9	1.8
Europe \| Residential & commercial flow control
Disaggregation of Revenue
Revenue	38.6	36.8	131.2	129.1
Europe \| HVAC & gas
Disaggregation of Revenue
Revenue	60.0	53.7	187.4	171.6
Europe \| Drains & water re-use
Disaggregation of Revenue
Revenue	20.8	21.6	62.7	67.1
Europe \| Water quality
Disaggregation of Revenue
Revenue	0.8	1.0	2.8	3.1
APMEA
Disaggregation of Revenue
Revenue	33.1	24.9	83.6	67.1
APMEA \| Wholesale
Disaggregation of Revenue
Revenue	22.6	23.0	62.0	61.8
APMEA \| OEM
Disaggregation of Revenue
Revenue	1.5	1.9	5.0	5.3
APMEA \| Specialty
Disaggregation of Revenue
Revenue	9.0		16.6
APMEA \| Residential & commercial flow control
Disaggregation of Revenue
Revenue	28.5	19.2	69.7	53.6
APMEA \| HVAC & gas
Disaggregation of Revenue
Revenue	3.8	4.4	11.5	10.4
APMEA \| Drains & water re-use
Disaggregation of Revenue
Revenue	0.6	0.9	1.8	2.1
APMEA \| Water quality
Disaggregation of Revenue
Revenue	$ 0.2	$ 0.4	$ 0.6	$ 1.0