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Business Segments (Narrative) (Details) $ in Thousands		3 Months Ended								12 Months Ended
		Dec. 31, 2016 USD ($) segment	Oct. 01, 2016 USD ($)	Jul. 02, 2016 USD ($)	Apr. 02, 2016 USD ($)	Jan. 02, 2016 USD ($)	Oct. 03, 2015 USD ($)	Jul. 04, 2015 USD ($)	Apr. 04, 2015 USD ($)	Dec. 31, 2016 USD ($) segment	Jan. 02, 2016 USD ($)	Jan. 03, 2015 USD ($)	Dec. 29, 2013 segment
Segment Reporting Information [Line Items]
Number of Business Segments | segment		3								3			3
Net Sales		$ 887,277	$ 853,856	$ 877,341	$ 779,641	$ 809,675	$ 853,762	$ 859,315	$ 874,694	$ 3,398,115	$ 3,397,446	$ 3,956,443
Capital expenditures:	[1]									$ 243,523	229,848	$ 228,918
Vion Ingredients [Member]
Segment Reporting Information [Line Items]
Capital expenditures:											$ 984,200
[1] Excludes the immaterial capital assets acquired in fiscal 2016 and fiscal 2015 and the VION Acquisition and Custom Blenders acquisition in fiscal 2014 of approximately $984.2 million

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Number of Business Segments

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- Definition

The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Investing Activities
-URI http://asc.fasb.org/extlink&oid=6516133

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3213-108585

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Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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