Name:	safm_LineOfCreditFacilityCapacityAvailableForSpecificPurposeOtherThanForTradePurchasesIncludingPermittedCarryoverAmount
Namespace Prefix:	safm_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Carryover from prior year of the amount allowed to be spent, but not actually spent, on capital expenditures, other than construction of new facilities, per the covenants in the credit facility agreement.

No definition available.

Name:	safm_LineOfCreditFacilityCapacityAvailableForSpecificPurposeOtherThanForTradePurchasesPermittedCarryoverAmount
Namespace Prefix:	safm_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Amount allowed to be spent on construction of new facilities per the covenants in the credit facility agreement.

No definition available.

Name:	safm_LineOfCreditFacilityCovenantLimitOnConstructionExpenditure
Namespace Prefix:	safm_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Minimum net worth required to be maintained by the Company per the covenants in the credit facility agreement.

No definition available.

Name:	safm_MinimumNetWorthRequired
Namespace Prefix:	safm_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	us-gaap_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Amount borrowed under the credit facility as of the balance sheet date.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

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

The maximum amount of borrowing capacity under a line of credit that is available as of the balance sheet date for a specific purpose other than for financing goods acquired for inventory or imminent delivery to a customer.

No definition available.

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

Description of the conditions for borrowing under the credit facility including the nature of any restrictions.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

Name:	us-gaap_LineOfCreditFacilityCovenantTerms
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Date the credit facility terminates, in CCYY-MM-DD format.

Name:	us-gaap_LineOfCreditFacilityExpirationDate1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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

Indebtedness divided by net capital.

No definition available.