Business and Recent Accounting Pronouncements - Additional Information (Details) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 03, 2021 USD ($) location country	Jun. 27, 2020 USD ($)	Jul. 03, 2021 USD ($) location country	Jun. 27, 2020 USD ($)	Jan. 02, 2021 USD ($)
Business And Basis Of Presentation [Line Items]
Number of countries, country footprint | country	22		22
Accounts payable and accrued liabilities	$ 420.3		$ 420.3		$ 387.7
Other long-term liabilities	67.9		67.9		67.8
COVID-19
Business And Basis Of Presentation [Line Items]
Wage subsidies received	0.8		2.2
Accounts payable and accrued liabilities	8.1		8.1		9.0
Other long-term liabilities	$ 7.5		$ 7.5		$ 7.5
Europe
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 (over) | location	13,000		13,000
Water Refill
Business And Basis Of Presentation [Line Items]
Number of locations | location	22,000		22,000
Shipping and Handling | Selling, General and Administrative Expenses | Route Based Services and Coffee, Tea and Extract Solutions
Business And Basis Of Presentation [Line Items]
Shipping and handling costs	$ 118.6	$ 99.8	$ 228.7	$ 219.8