Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 29, 2018	Dec. 30, 2017	Dec. 31, 2016
Goodwill Roll Forward
Goodwill Opening	$ 109,533	$ 223,611
Goodwill, impairment loss	(81,222)	(115,000)	$ (17,540)
Goodwill, foreign currency translation gain (loss)	(352)	922
Goodwill Ending	27,959	109,533	223,611
Global Ingredients [Member]
Goodwill Roll Forward
Goodwill Opening	9,177	8,255
Goodwill, impairment loss	0	0
Goodwill, foreign currency translation gain (loss)	(352)	922
Goodwill Ending	8,825	9,177	8,255
Consumer Products [Member]
Goodwill Roll Forward
Goodwill Opening	100,356	215,356
Goodwill, impairment loss	(81,222)	(115,000)
Goodwill, foreign currency translation gain (loss)	0	0
Goodwill Ending	$ 19,134	$ 100,356	$ 215,356

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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