Annual report pursuant to Section 13 and 15(d)

Income Taxes - Reconciliation of Statutory Income Tax Rates to Effective Income Tax Rates (Detail)

v3.20.4
Income Taxes - Reconciliation of Statutory Income Tax Rates to Effective Income Tax Rates (Detail)
12 Months Ended
Dec. 26, 2020
Dec. 28, 2019
Dec. 29, 2018
Income Tax Disclosure [Abstract]      
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 1.60% (1.20%) (7.50%)
Adjustment for change in tax law 0.50% 0.00% (0.90%)
Permanent differences:      
Acquisition and related transaction costs 0.00% 0.00% (2.70%)
Meals and entertainment expense (0.40%) (0.20%) (0.30%)
Reconciliation of tax provision to return 0.60% (0.50%) 0.00%
Reconciliation of other adjustments (1.60%) (1.00%) 1.20%
Effective income tax rate 27.80% 21.40% 13.20%