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Debt and Finance Lease Obligations - Long-Term Debt (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 28, 2024 | Dec. 30, 2023 | Dec. 31, 2022 | Oct. 31, 2021
Debt Instrument [Line Items] |  |  |  |
Senior secured notes | $ 300,000,000 | $ 300,000,000 |  |
Unamortized debt issuance costs | (2,437,000) | (3,246,000) |  |
Unamortized bond discount costs | (2,502,000) | (3,011,000) |  |
Long-term debt | 295,061,000 | 293,743,000 |  |
Finance lease obligations | 292,543,000 | 285,426,000 |  |
Less: current portions of finance leases | 12,541,000 | 11,178,000 |  |
Total debt and finance leases, net of current portions | 575,063,000 | 567,991,000 |  |
Long-term debt, excluding current maturities | 295,061,000 | 293,743,000 |  |
Amortization of debt discount and issuance costs | 1,318,000 | 1,319,000 | $ 1,153,000 |
Senior Notes | 6.0% Senior Secured Notes Due 2029 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Stated percentage |  |  |  | 6.00%
Revolving Credit Facility | Line of Credit |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term debt, gross | 0 | 0 |  |
Available borrowing capacity | $ 346,200,000 | $ 346,500,000 |  |

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