Segment Reporting - Revenues by Channel Reporting Segment (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2023	Oct. 01, 2022	Sep. 30, 2023	Oct. 01, 2022	Dec. 31, 2022
Segment Reporting Information [Line Items]
Total	$ 622.0	$ 584.6	$ 1,761.8	$ 1,682.1	$ 2,200.0
Water Direct/Water Exchange
Segment Reporting Information [Line Items]
Total	431.2	402.2	1,221.1	1,126.0
Water Refill/Water Filtration
Segment Reporting Information [Line Items]
Total	73.2	61.6	200.9	168.7
Other Water
Segment Reporting Information [Line Items]
Total	34.1	32.4	93.2	126.9
Water Dispensers
Segment Reporting Information [Line Items]
Total	16.7	23.7	46.6	56.4
Other
Segment Reporting Information [Line Items]
Total	66.8	64.7	200.0	204.1
Operating Segments | North America
Segment Reporting Information [Line Items]
Total	469.8	446.8	1,332.6	1,280.6
Operating Segments | Europe
Segment Reporting Information [Line Items]
Total	80.8	71.4	228.2	205.6
Operating Segments | Water Direct/Water Exchange | North America
Segment Reporting Information [Line Items]
Total	356.2	334.1	1,011.5	933.5
Operating Segments | Water Direct/Water Exchange | Europe
Segment Reporting Information [Line Items]
Total	63.2	55.6	176.4	157.5
Operating Segments | Water Refill/Water Filtration | North America
Segment Reporting Information [Line Items]
Total	62.0	52.6	169.6	142.1
Operating Segments | Water Refill/Water Filtration | Europe
Segment Reporting Information [Line Items]
Total	10.2	8.2	28.9	24.6
Operating Segments | Other Water | North America
Segment Reporting Information [Line Items]
Total	13.6	9.6	36.8	65.8
Operating Segments | Other Water | Europe
Segment Reporting Information [Line Items]
Total	0.3	0.5	0.8	1.3
Operating Segments | Water Dispensers | North America
Segment Reporting Information [Line Items]
Total	16.5	23.7	45.9	56.4
Operating Segments | Water Dispensers | Europe
Segment Reporting Information [Line Items]
Total	0.2	0.0	0.7	0.0
Operating Segments | Other | North America
Segment Reporting Information [Line Items]
Total	21.5	26.8	68.8	82.8
Operating Segments | Other | Europe
Segment Reporting Information [Line Items]
Total	6.9	7.1	21.4	22.2
Other
Segment Reporting Information [Line Items]
Total	71.4	66.4	201.0	195.9
Other | Water Direct/Water Exchange
Segment Reporting Information [Line Items]
Total	11.8	12.5	33.2	35.0
Other | Water Refill/Water Filtration
Segment Reporting Information [Line Items]
Total	1.0	0.8	2.4	2.0
Other | Other Water
Segment Reporting Information [Line Items]
Total	20.2	22.3	55.6	59.8
Other | Water Dispensers
Segment Reporting Information [Line Items]
Total	0.0	0.0	0.0	0.0
Other | Other
Segment Reporting Information [Line Items]
Total	$ 38.4	$ 30.8	$ 109.8	$ 99.1