v3.21.1
Summary of Significant Accounting Policies: - Shipping handling and research and development costs (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 26, 2020
Dec. 28, 2019
Dec. 29, 2018
Mar. 31, 2021
Share price       $ 10.00
Hman Group holdings Inc and subsidiaries        
Shipping and handling costs $ 50,891 $ 47,713 $ 42,458  
Research and development costs $ 2,876 $ 2,075 $ 2,181  
Share price $ 1,647.13 $ 1,315.00 $ 1,168.00