Segment Reporting - Schedule of Revenues by Channel Reporting Segment (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 30, 2023	Sep. 30, 2023	Jul. 01, 2023	Apr. 01, 2023	Dec. 31, 2022	Oct. 01, 2022	Jul. 02, 2022	Apr. 02, 2022	Dec. 30, 2023	Dec. 31, 2022	Jan. 01, 2022
Segment Reporting Information [Line Items]
Total	$ 438.7	$ 470.0	$ 450.6	$ 412.5	$ 405.1	$ 447.9	$ 440.3	$ 399.9	$ 1,771.8	$ 1,693.2	$ 1,576.4
Water Direct/Water Exchange
Segment Reporting Information [Line Items]
Total									1,345.3	1,250.2	1,064.5
Water Refill/Water Filtration
Segment Reporting Information [Line Items]
Total									226.9	192.0	180.5
Other Water
Segment Reporting Information [Line Items]
Total									51.9	73.8	162.6
Water Dispensers
Segment Reporting Information [Line Items]
Total									57.5	70.5	65.4
Other
Segment Reporting Information [Line Items]
Total									90.2	106.7	103.4
Operating Segments | North America
Segment Reporting Information [Line Items]
Total									1,771.2	1,685.6	1,562.9
Operating Segments | North America | Water Direct/Water Exchange
Segment Reporting Information [Line Items]
Total									1,345.3	1,242.8	1,051.0
Operating Segments | North America | Water Refill/Water Filtration
Segment Reporting Information [Line Items]
Total									226.9	192.0	180.5
Operating Segments | North America | Other Water
Segment Reporting Information [Line Items]
Total									51.9	73.8	162.6
Operating Segments | North America | Water Dispensers
Segment Reporting Information [Line Items]
Total									57.5	70.5	65.4
Operating Segments | North America | Other
Segment Reporting Information [Line Items]
Total									89.6	106.5	103.4
Other
Segment Reporting Information [Line Items]
Total									0.6	7.6	13.5
Other | Water Direct/Water Exchange
Segment Reporting Information [Line Items]
Total									0.0	7.4	13.5
Other | Water Refill/Water Filtration
Segment Reporting Information [Line Items]
Total									0.0	0.0	0.0
Other | Other Water
Segment Reporting Information [Line Items]
Total									0.0	0.0	0.0
Other | Water Dispensers
Segment Reporting Information [Line Items]
Total									0.0	0.0	0.0
Other | Other
Segment Reporting Information [Line Items]
Total									$ 0.6	$ 0.2	$ 0.0