v3.25.1
Accounting Policies (Schedule of operating results and assets of reportable segment) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 29, 2025
Mar. 30, 2024
Dec. 28, 2024
Revenues $ 0 $ 0  
Cost of sales 0 0  
Selling, general and administrative expenses 959 1,038  
Selling, general and administrative expenses (959) (1,038)  
Depreciation and amortization 3 4  
Depreciation and amortization (3) (4)  
Interest income 607 853  
Equity in loss of National Beef (10,263) (682)  
Net loss of USPB (10,583) (691)  
Total assets 229,128   $ 240,140
Total liabilities (10,067)   (10,496)
Total liabilities 10,067   $ 10,496
Reportable Subsegments [Member]      
Revenues 0 0  
Cost of sales 0 0  
Selling, general and administrative expenses 959 1,038  
Selling, general and administrative expenses (959) (1,038)  
Depreciation and amortization 3 4  
Depreciation and amortization (3) (4)  
Interest income 607 853  
Interest expense 0 0  
Other, net 35 180  
Income tax expense 0 0  
Net (loss) in National Beef 0    
Equity in loss of National Beef (10,263) (682)  
Net loss of USPB (10,583) (691)  
Total assets 229,128 238,377  
Total liabilities (10,067) (10,234)  
Total liabilities 10,067 10,234  
Capital Expenditures for segment assets 0 0  
Capital Expenditures for segment assets 0 0  
Reportable Subsegments [Member] | Equity Method Investment In National Beef Packing Company LLC And Subsidiaries [Member]      
Revenues 3,266,229 [1] 2,830,002  
Cost of sales 3,249,974 [1] 2,752,743  
Selling, general and administrative expenses 30,638 [1] 37,372  
Selling, general and administrative expenses (30,638) [1] (37,372)  
Depreciation and amortization 41,692 [1] 34,538  
Depreciation and amortization (41,692) [1] (34,538)  
Interest income 11 [1] 41  
Interest expense (11,541) [1] (9,111)  
Other, net 0 [1] 0  
Income tax expense (519) [1] (195)  
Net (loss) in National Beef (67,086) [1] (3,526)  
Equity in loss of National Beef (10,263) [1] (682)  
Total assets 2,243,724 [1] 2,204,057  
Total liabilities (1,229,681) [1] (1,175,383)  
Total liabilities 1,229,681 [1] 1,175,383  
Capital Expenditures for segment assets (12,741) [1] (33,517)  
Capital Expenditures for segment assets 12,741 [1] 33,517  
Reportable Subsegments [Member] | Elimination Of Unconsolidated Affiliate [Member]      
Revenues (3,266,229) (2,830,002)  
Cost of sales (3,249,974) (2,752,743)  
Selling, general and administrative expenses (30,638) (37,372)  
Selling, general and administrative expenses 30,638 37,372  
Depreciation and amortization (41,692) (34,538)  
Depreciation and amortization 41,692 34,538  
Interest income (11) (41)  
Interest expense 11,541 9,111  
Other, net 0 0  
Income tax expense 519 195  
Net (loss) in National Beef 67,086 3,526  
Total assets (2,243,724) (2,204,057)  
Total liabilities (1,229,681) (1,175,383)  
Total liabilities 1,229,681 1,175,383  
Capital Expenditures for segment assets (12,741) (33,517)  
Capital Expenditures for segment assets 12,741 33,517  
Reportable Subsegments [Member] | Corporate And Other Of USPB [Member]      
Revenues 0 0  
Selling, general and administrative expenses 959 1,038  
Selling, general and administrative expenses (959) (1,038)  
Depreciation and amortization 3 4  
Depreciation and amortization (3) (4)  
Interest income 607 853  
Interest expense 0 0  
Other, net 35 180  
Income tax expense 0 0  
Net (loss) in National Beef 0    
Total assets 229,128 238,377  
Total liabilities (10,067) (10,234)  
Total liabilities 10,067 10,234  
Capital Expenditures for segment assets 0 0  
Capital Expenditures for segment assets $ 0 $ 0  
[1] Amounts reflect those recorded in National Beef Packing Company, LLC and subsidiaries consolidated financial statements.