Segment Reporting - Segment Reporting Information by Operating Segment (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 28, 2019	Sep. 28, 2019	Jun. 29, 2019	Mar. 30, 2019	Dec. 29, 2018	Sep. 29, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 28, 2019	Dec. 29, 2018	Dec. 30, 2017
Segment Reporting Information [Line Items]
Revenue, net									$ 2,394.5	$ 2,372.9	$ 2,269.7
Depreciation and amortization									192.8	194.6	188.6
Operating income (loss)	$ 20.1	$ 41.6	$ 24.6	$ 4.1	$ 4.2	$ 27.8	$ 20.7	$ 6.1	90.4	58.8	43.9
Property, plant and equipment, net	647.8								647.8
Property, plant and equipment, net					624.7					624.7
Goodwill	1,175.7				1,143.9				1,175.7	1,143.9	1,104.7
Intangible assets, net	701.4				739.2				701.4	739.2
Total assets	3,390.9				3,175.5				3,390.9	3,175.5
Additions to property, plant and equipment									114.6	130.8	121.3
Route Based Services
Segment Reporting Information [Line Items]
Goodwill	1,047.5				1,021.6				1,047.5	1,021.6	982.4
Coffee, Tea and Extract Solutions
Segment Reporting Information [Line Items]
Goodwill	128.2				117.8				128.2	117.8	117.8
All Other
Segment Reporting Information [Line Items]
Goodwill	0.0				4.5				0.0	4.5	4.5
Operating Segments | Route Based Services
Segment Reporting Information [Line Items]
Revenue, net									1,788.2	1,710.3	1,599.6
Depreciation and amortization									168.3	170.7	164.9
Operating income (loss)									115.8	89.9	79.7
Property, plant and equipment, net	557.0								557.0
Property, plant and equipment, net					530.7					530.7
Goodwill	1,047.5				1,021.6				1,047.5	1,021.6
Intangible assets, net	596.0				608.3				596.0	608.3
Total assets	2,816.1				2,578.3				2,816.1	2,578.3
Additions to property, plant and equipment									100.9	112.3	100.8
Operating Segments | Coffee, Tea and Extract Solutions
Segment Reporting Information [Line Items]
Revenue, net									605.0	587.6	602.2
Depreciation and amortization									24.2	22.9	22.7
Operating income (loss)									15.4	16.1	15.9
Property, plant and equipment, net	89.7								89.7
Property, plant and equipment, net					88.3					88.3
Goodwill	128.2				117.8				128.2	117.8
Intangible assets, net	104.4				103.2				104.4	103.2
Total assets	526.5				464.8				526.5	464.8
Additions to property, plant and equipment									13.3	16.0	19.0
Operating Segments | All Other
Segment Reporting Information [Line Items]
Revenue, net									7.2	80.7	67.9
Depreciation and amortization									0.3	1.0	1.0
Operating income (loss)									(40.8)	(47.2)	(51.7)
Property, plant and equipment, net	1.1								1.1
Property, plant and equipment, net					5.7					5.7
Goodwill	0.0				4.5				0.0	4.5
Intangible assets, net	1.0				27.7				1.0	27.7
Total assets	48.3				132.4				48.3	132.4
Additions to property, plant and equipment									0.4	2.5	1.5
Eliminations
Segment Reporting Information [Line Items]
Revenue, net									(5.9)	(5.7)	0.0
Depreciation and amortization									0.0	0.0	0.0
Operating income (loss)									0.0	0.0	0.0
Property, plant and equipment, net	0.0								0.0
Property, plant and equipment, net					0.0					0.0
Goodwill	0.0				0.0				0.0	0.0
Intangible assets, net	0.0				0.0				0.0	0.0
Total assets	$ 0.0				$ 0.0				0.0	0.0
Additions to property, plant and equipment									0.0	0.0	0.0
Eliminations | Coffee, Tea and Extract Solutions
Segment Reporting Information [Line Items]
Revenue, net									$ 5.9	5.7
Discontinued Operations, Disposed of by Sale | Concentrate | Operating Segments | All Other
Segment Reporting Information [Line Items]
Revenue, net											41.1
Revenue from related parties										$ 4.2
ASU 2017-07 | Operating Segments | Route Based Services
Segment Reporting Information [Line Items]
Operating income (loss)											$ (5.0)