Segment Reporting - Segment Reporting Information by Operating Segment (Detail) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 30, 2017	Sep. 30, 2017	Jul. 01, 2017	Apr. 01, 2017	Dec. 31, 2016	Oct. 01, 2016	Jul. 02, 2016	Apr. 02, 2016	Dec. 30, 2017	Dec. 31, 2016	Jan. 02, 2016
Segment Reporting Information [Line Items]
Total segment assets 2	$ 4,093.1				$ 3,939.7				$ 4,093.1	$ 3,939.7
Revenue, net	571.3	$ 580.9	$ 580.6	$ 536.9	521.2	$ 476.7	$ 320.2	$ 305.1	2,269.7	1,623.2	$ 1,187.3
Depreciation and amortization									188.6	151.1	128.3
Operating income (loss)		$ 27.2	$ 16.5	$ 5.2	(9.3)	$ 13.6	$ 3.0	$ 2.2	48.9	9.5	17.9
Property, plant & equipment, net	584.2				581.8				584.2	581.8
Goodwill	1,104.7				1,048.3				1,104.7	1,048.3	631.7
Intangible assets, net	751.1				759.0				751.1	759.0
Additions to property, plant & equipment									121.3	95.1	69.6
Route Based Services [Member]
Segment Reporting Information [Line Items]
Operating income (loss)											0.1
Goodwill	936.7				886.5				936.7	886.5	579.1
Coffee,Tea and Extract Solutions [Member]
Segment Reporting Information [Line Items]
Goodwill	117.8				117.1				117.8	117.1
All Other [Member]
Segment Reporting Information [Line Items]
Goodwill	50.2				44.7				50.2	44.7	52.6
Operating Segments [Member]
Segment Reporting Information [Line Items]
Total segment assets 2	3,006.9				2,921.1				3,006.9	2,921.1
Operating Segments [Member] | Route Based Services [Member]
Segment Reporting Information [Line Items]
Total segment assets 2	2,343.4				2,287.1				2,343.4	2,287.1
Revenue, net									1,501.7	1,224.3	1,021.2
Depreciation and amortization									158.3	136.0	119.9
Operating income (loss)									77.0	41.2	39.0
Property, plant & equipment, net	482.2				480.2				482.2	480.2
Goodwill	936.7				886.5				936.7	886.5
Intangible assets, net	564.5				569.6				564.5	569.6
Additions to property, plant & equipment									99.1	87.7	66.9
Operating Segments [Member] | Coffee,Tea and Extract Solutions [Member]
Segment Reporting Information [Line Items]
Total segment assets 2	455.7				463.2				455.7	463.2
Revenue, net									602.2	228.0
Depreciation and amortization									22.7	8.0
Operating income (loss)									15.7	5.3
Property, plant & equipment, net	89.1				91.0				89.1	91.0
Goodwill	117.8				117.1				117.8	117.1
Intangible assets, net	110.8				116.6				110.8	116.6
Additions to property, plant & equipment									19.0	6.0
Operating Segments [Member] | All Other [Member]
Segment Reporting Information [Line Items]
Total segment assets 2	207.8				170.8				207.8	170.8
Revenue, net									165.8	170.9	166.1
Depreciation and amortization									7.6	7.1	8.4
Operating income (loss)									1.2	8.0	8.8
Property, plant & equipment, net	12.9				10.6				12.9	10.6
Goodwill	50.2				44.7				50.2	44.7
Intangible assets, net	$ 75.8				$ 72.8				75.8	72.8
Additions to property, plant & equipment									3.2	1.4	2.7
Corporate [Member]
Segment Reporting Information [Line Items]
Operating income (loss)									$ (45.0)	$ (45.0)	$ (29.9)