Segment Reporting - Revenues by Channel Reporting Segment (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 28, 2020	Mar. 30, 2019
Segment Reporting Information [Line Items]
Revenue, net	$ 474.2	$ 427.7
Water Direct/Water Exchange
Segment Reporting Information [Line Items]
Revenue, net	295.2	264.2
Water Refill/Water Filtration
Segment Reporting Information [Line Items]
Revenue, net	30.8	15.3
Water Retail
Segment Reporting Information [Line Items]
Revenue, net	55.4	50.8
Water Dispensers
Segment Reporting Information [Line Items]
Revenue, net	5.9	0.0
Other
Segment Reporting Information [Line Items]
Revenue, net	86.9	97.4
Water Solutions
Segment Reporting Information [Line Items]
Revenue, net	474.2	420.5
Water Solutions | Water Direct/Water Exchange
Segment Reporting Information [Line Items]
Revenue, net	295.2	264.2
Water Solutions | Water Refill/Water Filtration
Segment Reporting Information [Line Items]
Revenue, net	30.8	15.3
Water Solutions | Water Retail
Segment Reporting Information [Line Items]
Revenue, net	55.4	50.8
Water Solutions | Water Dispensers
Segment Reporting Information [Line Items]
Revenue, net	5.9	0.0
Water Solutions | Other
Segment Reporting Information [Line Items]
Revenue, net	86.9	90.2
All Other
Segment Reporting Information [Line Items]
Revenue, net	0.0	7.2
All Other | Water Direct/Water Exchange
Segment Reporting Information [Line Items]
Revenue, net	0.0	0.0
All Other | Water Refill/Water Filtration
Segment Reporting Information [Line Items]
Revenue, net	0.0	0.0
All Other | Water Retail
Segment Reporting Information [Line Items]
Revenue, net	0.0	0.0
All Other | Water Dispensers
Segment Reporting Information [Line Items]
Revenue, net	0.0	0.0
All Other | Other
Segment Reporting Information [Line Items]
Revenue, net	$ 0.0	$ 7.2