Noncontrolling interests (Details) - USD ($) $ in Millions		3 Months Ended	6 Months Ended
	Apr. 28, 2016	Jul. 01, 2016	Jun. 30, 2017	Jul. 01, 2016
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Noncontrolling interests, beginning			$ 24.6	$ 42.9
Purchase of noncontrolling interest			0.0	(19.5)
Net (loss) income attributable to noncontrolling interests			(0.2)	1.0
Translation adjustments		$ 0.3	0.0	0.3
Retirement benefit adjustment			0.0	(0.1)
Capital contributions from, net of dividends			0.4	0.0
Noncontrolling interests, ending		$ 24.6	$ 24.8	$ 24.6
Fresh Del Monte
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Liabilities incurred to purchase remaining interest	$ 25.5
Noncontrolling Interest
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Liabilities incurred to purchase remaining interest	19.5
Variable Interest Entity
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Consideration transferred	$ 45.0