v3.21.1
Income Taxes: - Reconciliation of Statutory Income Tax Rates to Effective Income Tax Rates (Details)
3 Months Ended 10 Months Ended 12 Months Ended
Mar. 31, 2021
Mar. 27, 2021
Mar. 31, 2020
Mar. 28, 2020
Dec. 31, 2018
Dec. 31, 2020
Dec. 26, 2020
Dec. 31, 2019
Dec. 28, 2019
Dec. 29, 2018
Effective Income Tax Rate Reconciliation, Percent                    
Statutory federal income tax rate           21.00%        
Permanent differences:                    
Effective income tax rate 21.00%   21.00%   21.00% 0.00%   21.00%    
Hman Group holdings Inc and subsidiaries                    
Effective Income Tax Rate Reconciliation, Percent                    
Statutory federal income tax rate             21.00%   21.00% 21.00%
Non-U.S. taxes and the impact of non-U.S. losses for which a current tax benefit is not available             0.60%   0.40% 0.90%
State and local income taxes, net of U.S. federal income tax benefit             5.70%   3.00% 1.40%
Change in valuation allowance and other items             1.60%   (1.20%) (7.50%)
Adjustment for change in tax law             0.50%     (0.90%)
Permanent differences:                    
Acquisition and related transaction costs                   (2.70%)
Meals and entertainment expense             (0.40%)   (0.20%) (0.30%)
Reconciliation of tax provision to return             0.60%   (0.50%)  
Reconciliation of other adjustments             (1.60%)   (1.00%) 1.20%
Effective income tax rate   42.60%   22.30%     27.80%   21.40% 13.20%