Segment Reporting - Revenues by Channel Reporting Segment (Details) - USD ($) $ in Millions	3 Months Ended
	Apr. 02, 2022	Apr. 03, 2021
Segment Reporting Information [Line Items]
Total	$ 526.1	$ 478.4
Water Direct/Water Exchange
Segment Reporting Information [Line Items]
Total	337.3	287.6
Water Refill/Water Filtration
Segment Reporting Information [Line Items]
Total	50.9	53.0
Other Water
Segment Reporting Information [Line Items]
Total	50.4	56.3
Water Dispensers
Segment Reporting Information [Line Items]
Total	14.2	15.0
Other
Segment Reporting Information [Line Items]
Total	73.3	66.5
All Other
Segment Reporting Information [Line Items]
Total	0.0	0.0
All Other | Water Direct/Water Exchange
Segment Reporting Information [Line Items]
Total	0.0	0.0
All Other | Water Refill/Water Filtration
Segment Reporting Information [Line Items]
Total	0.0	0.0
All Other | Other Water
Segment Reporting Information [Line Items]
Total	0.0	0.0
All Other | Water Dispensers
Segment Reporting Information [Line Items]
Total	0.0	0.0
All Other | Other
Segment Reporting Information [Line Items]
Total	0.0	0.0
North America | Operating Segments
Segment Reporting Information [Line Items]
Total	397.1	365.5
North America | Operating Segments | Water Direct/Water Exchange
Segment Reporting Information [Line Items]
Total	278.3	238.8
North America | Operating Segments | Water Refill/Water Filtration
Segment Reporting Information [Line Items]
Total	42.2	45.1
North America | Operating Segments | Other Water
Segment Reporting Information [Line Items]
Total	34.0	40.9
North America | Operating Segments | Water Dispensers
Segment Reporting Information [Line Items]
Total	14.2	15.0
North America | Operating Segments | Other
Segment Reporting Information [Line Items]
Total	28.4	25.7
Rest of World | Operating Segments
Segment Reporting Information [Line Items]
Total	129.0	112.9
Rest of World | Operating Segments | Water Direct/Water Exchange
Segment Reporting Information [Line Items]
Total	59.0	48.8
Rest of World | Operating Segments | Water Refill/Water Filtration
Segment Reporting Information [Line Items]
Total	8.7	7.9
Rest of World | Operating Segments | Other Water
Segment Reporting Information [Line Items]
Total	16.4	15.4
Rest of World | Operating Segments | Water Dispensers
Segment Reporting Information [Line Items]
Total	0.0	0.0
Rest of World | Operating Segments | Other
Segment Reporting Information [Line Items]
Total	$ 44.9	$ 40.8