Segment Reporting - Segment Reporting Information by Operating Segment (Parenthetical) (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Apr. 01, 2017
Segment Reporting Information [Line Items]
Revenue, net	$ 560.8	$ 536.9
Operating Segments [Member] | Coffee,Tea and Extract Solutions [Member]
Segment Reporting Information [Line Items]
Revenue, net	146.1	143.3
Operating Segments [Member] | All Other [Member]
Segment Reporting Information [Line Items]
Revenue, net	44.7	41.3
Operating Segments [Member] | Discontinued Operations, Disposed of by Sale [Member] | Concentrate [Member] | All Other [Member]
Segment Reporting Information [Line Items]
Revenue, net	4.2	$ 10.3
Elimination [Member]
Segment Reporting Information [Line Items]
Revenue, net	(1.1)
Elimination [Member] | Coffee,Tea and Extract Solutions [Member]
Segment Reporting Information [Line Items]
Revenue, net	$ 1.1