Annual report pursuant to Section 13 and 15(d)

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

v3.19.1
Income Taxes - Reconciliation of Statutory Income Tax Rates to Effective Income Tax Rates (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 29, 2018
Dec. 30, 2017
Dec. 31, 2016
Dec. 31, 2015
Income Tax Disclosure [Abstract]        
Unrecognized Tax Benefits $ (1,101) $ (1,101) $ (2,060) $ (374)
Statutory federal income tax rate 21.00% 35.00% 35.00%  
Non-U.S. taxes and the impact of non-U.S. losses for which a current tax benefit is not available 0.90% 6.90% 8.10%  
State and local income taxes, net of U.S. federal income tax benefit (0.50%) 3.40% 2.80%  
Adjustment of reserve for change in valuation allowance and other items (21.70%) (6.50%) 0.50%  
Adjustment for change in tax law (0.90%) 281.40% (3.10%)  
Effective Income Tax Rate Reconciliation Adjustment Of Unrecognized Tax Benefits 0.00% 1.40% (7.70%)  
Permanent differences:        
Acquisition and related transaction costs (2.70%) 0.00% (0.30%)  
Meals and entertainment expense (0.30%) (0.90%) (0.90%)  
Foreign tax credit 0.00% 0.00% 0.30%  
Reconciliation of tax provision to return 0.00% 1.70% (0.30%)  
Reconciliation of other adjustments 1.10% 0.90% 0.70%  
Effective income tax rate (3.11%) 323.30% 35.10%