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Segment Information (Narrative) (Details) $ in Millions	3 Months Ended		6 Months Ended
	Mar. 27, 2021 USD ($)	Mar. 28, 2020 USD ($)	Mar. 27, 2021 USD ($) segment	Mar. 28, 2020 USD ($)
Segment Reporting Information [Line Items]
Number of operating segments | segment			1
Fluid dairy [Member]
Segment Reporting Information [Line Items]
Sales eliminated in consolidation | $	$ 12.3	$ 12.3	$ 23.7	$ 23.8

X

- Definition

Intercompany eliminations.

+ References

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- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 18
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8672-108599

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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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