v3.25.1
Loss Per Unit (Tables)
3 Months Ended
Mar. 29, 2025
Earnings Per Share [Abstract]  
Schedule of income per unit calculation
          
Loss Per Unit Calculation  13-weeks ended   13-weeks ended 
(thousands of dollars, except unit and per unit data)  March 29, 2025   March 30, 2024 
   (unaudited)   (unaudited) 
Basic and diluted loss per unit:          
Loss attributable to USPB available to members (numerator)          
Class A  $(1,058)  $(69)
Class B  $(9,524)  $(622)
           
Weighted average outstanding units (denominator)          
Class A   735,385    735,385 
Class B   755,385    755,385 
           
Per unit amount          
Class A  $(1.44)  $(0.09)
Class B  $(12.61)  $(0.82)