Segment Reporting - Information by Operating Segment (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 28, 2019	Sep. 29, 2018	Sep. 28, 2019	Sep. 29, 2018	Dec. 29, 2018
Segment Reporting Information [Line Items]
Revenue, net	$ 616.1	$ 609.3	$ 1,794.3	$ 1,773.7
Depreciation and amortization	48.0	49.6	142.1	145.7
Operating income (loss)	41.6	27.8	70.3	54.6
Additions to property, plant and equipment	35.9	36.3	87.5	95.0
Total assets	3,320.8		3,320.8		$ 3,175.5
Operating Segments | Route Based Services
Segment Reporting Information [Line Items]
Revenue, net	472.1	449.8	1,348.2	1,285.6
Depreciation and amortization	41.6	43.5	124.1	127.8
Operating income (loss)	46.4	38.8	89.8	80.9
Additions to property, plant and equipment	32.8	30.3	78.9	83.6
Total assets	2,780.5		2,780.5		2,579.0
Operating Segments | Coffee, Tea and Extract Solutions
Segment Reporting Information [Line Items]
Revenue, net	145.4	140.2	443.4	431.8
Depreciation and amortization	6.3	5.8	17.8	17.2
Operating income (loss)	3.2	5.0	9.7	12.3
Additions to property, plant and equipment	3.0	4.4	8.3	9.0
Total assets	487.9		487.9		464.8
Operating Segments | All Other
Segment Reporting Information [Line Items]
Revenue, net	0.0	20.7	7.2	60.3
Depreciation and amortization	0.1	0.3	0.2	0.7
Operating income (loss)	(8.0)	(16.0)	(29.2)	(38.6)
Additions to property, plant and equipment	0.1	1.6	0.3	2.4
Total assets	52.4		52.4		$ 131.7
Eliminations
Segment Reporting Information [Line Items]
Revenue, net	$ (1.4)	(1.4)	$ (4.5)	(4.0)
Eliminations | Coffee, Tea and Extract Solutions
Segment Reporting Information [Line Items]
Revenue, net		$ 1.4		4.0
Discontinued Operations, Disposed of by Sale | Concentrate | Operating Segments | All Other
Segment Reporting Information [Line Items]
Revenue, net				$ 4.2