Segment Reporting - Additional Information (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 Solutions
Segment Reporting Information [Line Items]
Revenue, net	474.2	420.5
Other
Segment Reporting Information [Line Items]
Revenue, net	86.9	97.4
Other | Water Solutions
Segment Reporting Information [Line Items]
Revenue, net	86.9	90.2
Other | Water Solutions | Reclassification Adjustment One
Segment Reporting Information [Line Items]
Revenue, net		(15.3)
Other | Water Solutions | Reclassification Adjustment Two
Segment Reporting Information [Line Items]
Revenue, net		(5.6)
Other | Water Solutions | Reclassification Adjustment Three
Segment Reporting Information [Line Items]
Revenue, net		48.6
Other | Water Solutions | Restatement Adjustment Four
Segment Reporting Information [Line Items]
Revenue, net		20.1
Water Refill/Water Filtration
Segment Reporting Information [Line Items]
Revenue, net	30.8	15.3
Water Refill/Water Filtration | Water Solutions
Segment Reporting Information [Line Items]
Revenue, net	30.8	15.3
Water Refill/Water Filtration | Water Solutions | Reclassification Adjustment One
Segment Reporting Information [Line Items]
Revenue, net		15.3
Water Direct/Water Exchange
Segment Reporting Information [Line Items]
Revenue, net	295.2	264.2
Water Direct/Water Exchange | Water Solutions
Segment Reporting Information [Line Items]
Revenue, net	295.2	264.2
Water Direct/Water Exchange | Water Solutions | Reclassification Adjustment Two
Segment Reporting Information [Line Items]
Revenue, net		5.6
Coffee And Tea Services | Water Solutions | Reclassification Adjustment Three
Segment Reporting Information [Line Items]
Revenue, net		(48.6)
Water Retail
Segment Reporting Information [Line Items]
Revenue, net	55.4	50.8
Water Retail | Water Solutions
Segment Reporting Information [Line Items]
Revenue, net	$ 55.4	50.8
Water Retail | Water Solutions | Restatement Adjustment Four
Segment Reporting Information [Line Items]
Revenue, net		$ (20.1)