Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Employee benefits - Schedule of net defined benefit liability and its components (Details)

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Employee benefits - Schedule of net defined benefit liability and its components (Details) - MXN ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Jan. 03, 2021
Dec. 31, 2019
Schedule of net defined benefit liability and its components [Abstract]      
Balance $ 1,678 $ 1,630 $ 1,355
Current service cost 614 425 424
Interest cost 101 114 123
Net cost of the period 715 539 547
Actuarial loss (gain) (83) 1,199 (102)
Income tax effect   (360) 26
Other:      
Benefits paid (217) (1,330) (196)
Balance $ 2,093 $ 1,678 $ 1,630