Description of Business - Additional Information (Details)	12 Months Ended
	Jan. 02, 2021 country location
Business And Basis Of Presentation [Line Items]
Number of countries, country footprint | country	21
Europe Operations
Business And Basis Of Presentation [Line Items]
Number of years carbon neutrality maintained	9 years
Water Exchange and Water Refill
Business And Basis Of Presentation [Line Items]
Number of locations that entity operates	13,000
Water Refill
Business And Basis Of Presentation [Line Items]
Number of locations that entity operates	22,000