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Long-term Debt and Letters of Credit - Schedule of Remaining Unamortized Debt Discount and Debt Issuance Costs (Detail) - USD ($) $ in Thousands | Sep. 27, 2021 | Dec. 28, 2020
--- | --- | ---
Debt Instrument [Line Items] |  |
Debt Issuance Costs | $ 8,297 | $ 7,212
Debt Discount | 660 | 814
Senior Notes Due March 2029 |  |
Debt Instrument [Line Items] |  |
Debt Issuance Costs | $ 6,114 |
Effective Interest Rate | 4.19% |
Term Loan Due September 2024 |  |
Debt Instrument [Line Items] |  |
Debt Issuance Costs | $ 2,183 | 2,695
Debt Discount | $ 660 | $ 814
Effective Interest Rate | 4.66% | 4.66%
Senior Notes Due October 2025 |  |
Debt Instrument [Line Items] |  |
Debt Issuance Costs |  | $ 4,517
Effective Interest Rate |  | 5.92%

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