Business and Recent Accounting Pronouncements - Additional Information (Details)		1 Months Ended	3 Months Ended			9 Months Ended
	Feb. 28, 2020 USD ($)	Jun. 30, 2020 USD ($)	Sep. 26, 2020 USD ($) location country	Jun. 27, 2020 USD ($) segment	Sep. 28, 2019 USD ($)	Sep. 26, 2020 USD ($) country segment_component location segment	Sep. 28, 2019 USD ($)	Dec. 28, 2019 USD ($)	Jun. 29, 2019 USD ($)	Dec. 29, 2018 USD ($)
Business And Basis Of Presentation [Line Items]
Number of countries, country footprint | country			21			21
Number of reporting segments | segment				2		2
Accounts payable and accrued liabilities			$ 428,300,000			$ 428,300,000		$ 370,600,000
Other long-term liabilities			73,700,000			73,700,000		58,700,000
Goodwill and intangible asset impairment charges			0		$ 0	$ 115,200,000	$ 0
Number of operating segments | segment						2
Goodwill impairment						$ 104,100,000
Cumulative effect of adoption of new accounting pronouncement			1,361,600,000	$ 1,348,200,000	1,141,900,000	$ 1,361,600,000	1,141,900,000	1,166,200,000	$ 1,139,900,000	$ 1,170,400,000
Accounting Standards Update [Extensible List]						us-gaap:AccountingStandardsUpdate201613Member
Cumulative Effect, Period of Adoption, Adjustment
Business And Basis Of Presentation [Line Items]
Cumulative effect of adoption of new accounting pronouncement								(3,600,000)		10,500,000
Retained Earnings
Business And Basis Of Presentation [Line Items]
Cumulative effect of adoption of new accounting pronouncement			$ 112,000,000.0	$ 99,700,000	265,000,000.0	$ 112,000,000.0	265,000,000.0	265,000,000.0	$ 263,100,000	298,800,000
Retained Earnings | Cumulative Effect, Period of Adoption, Adjustment
Business And Basis Of Presentation [Line Items]
Cumulative effect of adoption of new accounting pronouncement								$ (3,600,000)		$ 10,500,000
Income Approach
Business And Basis Of Presentation [Line Items]
Reporting unit, measurement input				0.50
Guideline Public Company Approach
Business And Basis Of Presentation [Line Items]
Reporting unit, measurement input				0.50
North America
Business And Basis Of Presentation [Line Items]
Number of segment components | segment_component						3
Goodwill impairment						$ 0
Rest of World
Business And Basis Of Presentation [Line Items]
Number of segment components | segment_component						4
Goodwill impairment						$ 104,100,000
Rest of World | Aimia
Business And Basis Of Presentation [Line Items]
Percentage of fair value of reporting unit in excess of carrying value				23.50%
Rest of World | Weighted Average Terminal Growth Rate | Eden
Business And Basis Of Presentation [Line Items]
Reporting unit, measurement input				0.015
Rest of World | Weighted Average Terminal Growth Rate | Aimia
Business And Basis Of Presentation [Line Items]
Reporting unit, measurement input				0.020
Rest of World | Weighted Average Terminal Growth Rate | Decantae
Business And Basis Of Presentation [Line Items]
Reporting unit, measurement input				0.020
Rest of World | Weighted Average Terminal Growth Rate | Farrers
Business And Basis Of Presentation [Line Items]
Reporting unit, measurement input				0.020
Rest of World | Discount Rate | Eden
Business And Basis Of Presentation [Line Items]
Reporting unit, measurement input				0.095
Rest of World | Discount Rate | Aimia
Business And Basis Of Presentation [Line Items]
Reporting unit, measurement input				0.115
Rest of World | Discount Rate | Decantae
Business And Basis Of Presentation [Line Items]
Reporting unit, measurement input				0.115
Rest of World | Discount Rate | Farrers
Business And Basis Of Presentation [Line Items]
Reporting unit, measurement input				0.115
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			$ 110,400,000		$ 127,200,000	$ 330,200,000	$ 362,700,000
COVID-19
Business And Basis Of Presentation [Line Items]
Wage subsidies received			2,600,000			6,000,000.0
Accounts payable and accrued liabilities			3,100,000			3,100,000
Other long-term liabilities			10,900,000			10,900,000
Goodwill and intangible asset impairment charges			0			115,200,000
Other related costs incurred			1,300,000			9,200,000
Goodwill impairment			0
COVID-19 | Trademarks
Business And Basis Of Presentation [Line Items]
Indefinite-lived intangible asset impairment			0
COVID-19 | Eden | Trademarks
Business And Basis Of Presentation [Line Items]
Indefinite-lived intangible asset impairment						9,900,000
COVID-19 | Aquaterra | Trademarks
Business And Basis Of Presentation [Line Items]
Indefinite-lived intangible asset impairment						1,200,000
COVID-19 | Rest of World | Eden
Business And Basis Of Presentation [Line Items]
Goodwill impairment						103,300,000
COVID-19 | Rest of World | Aimia
Business And Basis Of Presentation [Line Items]
Goodwill impairment				$ 0
COVID-19 | Rest of World | Decantae
Business And Basis Of Presentation [Line Items]
Goodwill impairment						300,000
COVID-19 | Rest of World | Farrers
Business And Basis Of Presentation [Line Items]
Goodwill impairment						500,000
COVID-19 | Employee Severance
Business And Basis Of Presentation [Line Items]
Restructuring charge, expected to incur			$ 19,000,000.0			$ 19,000,000.0
S&D | Discontinued Operations, Disposed of by Sale
Business And Basis Of Presentation [Line Items]
Purchase price received, cash	$ 405,000,000.0
Payments, post-closing working capital adjustments		$ 1,500,000