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Derivative Financial Instruments and Fair Value Measurements (Narrative) (Details) $ in Thousands, € in Millions, £ in Millions, SFr in Millions, $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 28, 2019 USD ($)	Sep. 29, 2018 USD ($)	Sep. 28, 2019 USD ($) T	Sep. 29, 2018 USD ($)	Dec. 29, 2018 T	Sep. 28, 2019 CHF (SFr)	Sep. 28, 2019 EUR (€)	Sep. 28, 2019 GBP (£)	Sep. 28, 2019 MXN ($)	Sep. 28, 2019 USD ($)
Derivative [Line Items]
Unrealized loss on derivative contracts	$ (865)	$ (2,110)	$ (577)	$ (867)
Fair value adjustments	0	25	0	(2,348)
Citrusource [Member]
Derivative [Line Items]
Fair value adjustments				2,500
Not designated as hedging instruments [Member]
Derivative [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Income, Net	100	200	$ (300)	1,600
Not designated as hedging instruments [Member] \| Cocoa [Member] \| Future And Forward Contracts [Member]
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount \| T			4,870		6,730
Not designated as hedging instruments [Member] \| Coffee [Member] \| Future And Forward Contracts [Member]
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount \| T			221		85
Not designated as hedging instruments [Member] \| Recurring basis [Member]
Derivative [Line Items]
Unrealized loss on derivative contracts	$ (900)	(1,600)	$ (600)	(800)
Not designated as hedging instruments [Member] \| Recurring basis [Member] \| Forward Foreign Exchange Contracts To Swiss francs To Buy U. S. Dollars Member
Derivative [Line Items]
Derivative, notional amount						SFr 3.0				$ 3,000
Not designated as hedging instruments [Member] \| Recurring basis [Member] \| Forward Foreign Exchange Contracts To Sell Euros To Buy U.S. Dollars [Member]
Derivative [Line Items]
Derivative, notional amount							€ 10.6			12,000
Not designated as hedging instruments [Member] \| Recurring basis [Member] \| Forward Foreign Exchange Contracts To Sell British Pounds To Buy Euros [Member]
Derivative [Line Items]
Derivative, notional amount							€ 0.5	£ 0.4
Not designated as hedging instruments [Member] \| Recurring basis [Member] \| Forward Foreign Exchange Contracts To Sell U. S. Dollars To Buy Mexican Pesos
Derivative [Line Items]
Derivative, notional amount									$ 12.6	$ 600
Not designated as hedging instruments [Member] \| Recurring basis [Member] \| Soy And Corn [Member] \| Future And Forward Contracts [Member]
Derivative [Line Items]
Unrealized loss on derivative contracts		(500)		0
Designated as hedging instruments [Member] \| Recurring basis [Member] \| Reclassification out of Accumulated Other Comprehensive Income [Member]
Derivative [Line Items]
Foreign Currency Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net				500
Gain (Loss) on Components Excluded from Assessment of Foreign Currency Cash Flow Hedge Effectiveness		$ 0		$ 100