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Income Taxes - Additional Information (Detail) - USD ($)
12 Months Ended
Jan. 03, 2020
Dec. 28, 2018
Dec. 29, 2017
Income Tax Disclosure [Abstract]      
Income (Loss) from Continuing Operations before Income Taxes, Foreign $ 8,017,000 $ 8,005,000 $ 7,707,000
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent 21.00% 35.00% 35.00%
Increase (Decrease) in Income Taxes     $ 16,507,000
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount $ 0 $ 0 15,137,000
Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Amount 0 0 $ 1,370,000
Lower Enacted Corporate Tax Rate     21.00%
Tax Cuts And Jobs Acts Mandatory Repatriation Tax Period     8 years
Total Excess Tax Benefit From Share Based Compensation 8,067,000 $ 4,154,000 $ 6,528,000
Unrecognized Tax Benefits that Would Impact Effective Tax Rate 1,557,000    
Unrecognized Liability For Uncertain Tax Positions For Next Twelve Months $ 0