Inventories - Additional Information (Detail) lb in Millions, $ in Millions	12 Months Ended
Oct. 31, 2019 USD ($) lb	Oct. 31, 2018 USD ($) lb
Live poultry-broilers (net of reserve) and breeders
Inventory [Line Items]
Inventory adjustments \| $	$ 2.8	$ 9.6
Prepared chicken
Inventory [Line Items]
Inventory, chicken	129.1	107.6
Increase (decrease) in chicken inventories	1.2
Increase (decrease) in chicken inventories, percentage	12.00%

Amount of inventory reserves for last-in first-out (LIFO) and other inventory valuation methods.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 330
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=116847112&loc=d3e4492-108314

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.6(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant