Segment Reporting - Segment Reporting Information by Operating Segment (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 29, 2018	Sep. 29, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 30, 2017	Sep. 30, 2017	Jul. 01, 2017	Apr. 01, 2017	Dec. 29, 2018	Dec. 30, 2017	Dec. 31, 2016
Segment Reporting Information [Line Items]
Revenue, net									$ 2,372.9	$ 2,269.7	$ 1,623.2
Depreciation and amortization									194.6	188.6	151.1
Operating income (loss)	$ 4.2	$ 27.8	$ 20.7	$ 6.1	$ (0.1)	$ 22.3	$ 16.5	$ 5.2	58.8	43.9	9.5
Property, plant and equipment, net	624.7				584.2				624.7	584.2
Goodwill	1,143.9				1,104.7				1,143.9	1,104.7	1,048.3
Intangible assets, net	739.2				751.1				739.2	751.1
Total assets	3,175.5				4,093.1				3,175.5	4,093.1
Additions to property, plant and equipment									130.8	121.3	95.1
Route Based Services
Segment Reporting Information [Line Items]
Goodwill	971.7				936.7				971.7	936.7	886.5
Coffee, Tea and Extract Solutions
Segment Reporting Information [Line Items]
Goodwill	117.8				117.8				117.8	117.8	117.1
All Other
Segment Reporting Information [Line Items]
Goodwill	54.4				50.2				54.4	50.2	44.7
Operating Segments
Segment Reporting Information [Line Items]
Total assets	3,175.5				3,006.9				3,175.5	3,006.9
Operating Segments | Route Based Services
Segment Reporting Information [Line Items]
Revenue, net									1,599.9	1,501.7	1,224.3
Depreciation and amortization									163.9	158.3	136.0
Operating income (loss)									84.7	74.0	42.4
Property, plant and equipment, net	521.3				482.2				521.3	482.2
Goodwill	971.7				936.7				971.7	936.7
Intangible assets, net	555.5				564.5				555.5	564.5
Total assets	2,427.7				2,343.4				2,427.7	2,343.4
Additions to property, plant and equipment									109.6	99.1	87.7
Operating Segments | Coffee, Tea and Extract Solutions
Segment Reporting Information [Line Items]
Revenue, net									587.6	602.2	228.0
Depreciation and amortization									22.9	22.7	8.0
Operating income (loss)									16.1	15.9	5.3
Property, plant and equipment, net	88.3				89.1				88.3	89.1
Goodwill	117.8				117.8				117.8	117.8
Intangible assets, net	103.2				110.8				103.2	110.8
Total assets	464.8				455.7				464.8	455.7
Additions to property, plant and equipment									16.0	19.0	6.0
Operating Segments | All Other
Segment Reporting Information [Line Items]
Revenue, net									191.6	165.8	170.9
Depreciation and amortization									7.8	7.6	7.1
Operating income (loss)									(42.0)	(46.0)	(38.2)
Property, plant and equipment, net	15.1				12.9				15.1	12.9
Goodwill	54.4				50.2				54.4	50.2
Intangible assets, net	80.5				75.8				80.5	75.8
Total assets	283.0				207.8				283.0	207.8
Additions to property, plant and equipment									5.2	3.2	1.4
Intersegment Eliminations
Segment Reporting Information [Line Items]
Revenue, net									(6.2)	0.0	0.0
Intersegment Eliminations | Coffee, Tea and Extract Solutions
Segment Reporting Information [Line Items]
Revenue, net									5.7
Intersegment Eliminations | Route Based Services And All Other
Segment Reporting Information [Line Items]
Revenue, net									0.5
Corporate
Segment Reporting Information [Line Items]
Revenue, net									(6.2)	0.0	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				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
Discontinued Operations, Disposed of by Sale | Concentrate | Operating Segments | All Other
Segment Reporting Information [Line Items]
Revenue, net									$ 4.2		$ 37.4
Revenue from related parties										41.1
ASU 2017-07
Segment Reporting Information [Line Items]
Operating income (loss)										(5.0)
ASU 2017-07 | Operating Segments | Route Based Services
Segment Reporting Information [Line Items]
Operating income (loss)										$ (5.0)