XML 69 R52.htm IDEA: XBRL DOCUMENT
v3.25.1

Summary of Significant Accounting Policies - Inventories (Details) - USD ($) $ in Thousands | Dec. 29, 2024 | Dec. 31, 2023
--- | --- | ---
Inventory [Line Items] |  |
Inventories, net | $ 2,412,000 | $ 2,536,000
Fresh and packaged meats |  |
Inventory [Line Items] |  |
Inventories, net | 1,006,000 | 943,000
Livestock |  |
Inventory [Line Items] |  |
Inventories, net | 949,000 | 1,036,000
Grains |  |
Inventory [Line Items] |  |
Inventories, net | 208,000 | 307,000
Manufacturing supplies |  |
Inventory [Line Items] |  |
Inventories, net | 115,000 | 123,000
Maintenance parts |  |
Inventory [Line Items] |  |
Inventories, net | 115,000 | 104,000
Other |  |
Inventory [Line Items] |  |
Inventories, net | $ 19,000 | $ 23,000

X
- Definition 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. + References No definition available. + Details
Name: | us-gaap_InventoryLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 852 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481372/852-10-55-10 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483467/210-10-45-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(6)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_InventoryNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_PublicUtilitiesInventoryAxis=smf_FreshAndPackagedMeatsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PublicUtilitiesInventoryAxis=smf_LivestockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PublicUtilitiesInventoryAxis=smf_GrainsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PublicUtilitiesInventoryAxis=smf_InventoryManufacturingSuppliesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PublicUtilitiesInventoryAxis=smf_InventoryMaintenancePartsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PublicUtilitiesInventoryAxis=smf_InventoryOtherMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |