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Long-Term Debt - Additional Information (Detail) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 29, 2019
Debt Instrument [Line Items]    
Debt issued by subsidiaries $ 0  
Guarantees of company debt $ 0  
Term Loan Facility | Nonpublic | Term Loan    
Debt Instrument [Line Items]    
Maturity date of debt instruments Jun. 07, 2021  
Term Loan Facility | Fixed Rate Swap | Nonpublic | Term Loan    
Debt Instrument [Line Items]    
Debt instrument, face amount   $ 100,000,000
Maturity date of debt instruments Jun. 07, 2021