Segment Reporting - Revenues by Channel Reporting Segment (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 01, 2022	Oct. 02, 2021	Oct. 01, 2022	Oct. 02, 2021
Segment Reporting Information [Line Items]
Total	$ 584.6	$ 550.8	$ 1,682.1	$ 1,555.3
Water Direct/Water Exchange
Segment Reporting Information [Line Items]
Total	402.2	344.2	1,126.0	954.8
Water Refill/Water Filtration
Segment Reporting Information [Line Items]
Total	61.6	55.6	168.7	161.7
Other Water
Segment Reporting Information [Line Items]
Total	32.4	66.8	126.9	187.7
Water Dispensers
Segment Reporting Information [Line Items]
Total	23.7	16.1	56.4	48.7
Other
Segment Reporting Information [Line Items]
Total	64.7	68.1	204.1	202.4
Other
Segment Reporting Information [Line Items]
Total	66.4	70.4	195.9	193.7
Other | Water Direct/Water Exchange
Segment Reporting Information [Line Items]
Total	12.5	12.0	35.0	30.9
Other | Water Refill/Water Filtration
Segment Reporting Information [Line Items]
Total	0.8	0.2	2.0	0.4
Other | Other Water
Segment Reporting Information [Line Items]
Total	22.3	23.8	59.8	61.0
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	30.8	34.4	99.1	101.4
Eliminations
Segment Reporting Information [Line Items]
Total	0.0	(0.1)	0.0	(1.0)
Eliminations | Water Direct/Water Exchange
Segment Reporting Information [Line Items]
Total	0.0	0.0	0.0	0.0
Eliminations | Water Refill/Water Filtration
Segment Reporting Information [Line Items]
Total	0.0	0.0	0.0	0.0
Eliminations | Other Water
Segment Reporting Information [Line Items]
Total	0.0	0.0	0.0	0.0
Eliminations | Water Dispensers
Segment Reporting Information [Line Items]
Total	0.0	0.0	0.0	0.0
Eliminations | Other
Segment Reporting Information [Line Items]
Total	0.0	(0.1)	0.0	(1.0)
Eliminations | All Other Products to Europe
Segment Reporting Information [Line Items]
Total		0.1		1.0
North America | Operating Segments
Segment Reporting Information [Line Items]
Total	446.8	413.3	1,280.6	1,175.5
North America | Operating Segments | Water Direct/Water Exchange
Segment Reporting Information [Line Items]
Total	334.1	281.9	933.5	785.6
North America | Operating Segments | Water Refill/Water Filtration
Segment Reporting Information [Line Items]
Total	52.6	47.0	142.1	137.2
North America | Operating Segments | Other Water
Segment Reporting Information [Line Items]
Total	9.6	42.6	65.8	125.7
North America | Operating Segments | Water Dispensers
Segment Reporting Information [Line Items]
Total	23.7	16.1	56.4	48.7
North America | Operating Segments | Other
Segment Reporting Information [Line Items]
Total	26.8	25.7	82.8	78.3
Europe | Operating Segments
Segment Reporting Information [Line Items]
Total	71.4	67.2	205.6	187.1
Europe | Operating Segments | Water Direct/Water Exchange
Segment Reporting Information [Line Items]
Total	55.6	50.3	157.5	138.3
Europe | Operating Segments | Water Refill/Water Filtration
Segment Reporting Information [Line Items]
Total	8.2	8.4	24.6	24.1
Europe | Operating Segments | Other Water
Segment Reporting Information [Line Items]
Total	0.5	0.4	1.3	1.0
Europe | Operating Segments | Water Dispensers
Segment Reporting Information [Line Items]
Total	0.0	0.0	0.0	0.0
Europe | Operating Segments | Other
Segment Reporting Information [Line Items]
Total	$ 7.1	$ 8.1	$ 22.2	$ 23.7