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Long-Term Debt - Narrative (Details) - USD ($) | 3 Months Ended | 9 Months Ended |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Sep. 25, 2024 | Sep. 27, 2023 | Sep. 25, 2024 | Sep. 27, 2023 | Jun. 26, 2024 | Dec. 27, 2023 | Jun. 28, 2023 | Mar. 29, 2023 | Mar. 28, 2023 | Dec. 28, 2022
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Notional Amount | $ 230,000,000 |  | $ 230,000,000 |  |  |  |  |  |  |
Total shareholders' deficit | (54,483,000) | $ (35,798,000) | (54,483,000) | $ (35,798,000) | $ (53,243,000) | $ (62,686,000) | $ (42,618,000) |  |  | $ (37,116,000)
Derivatives |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Reclassification |  |  | (4,626,000) |  |  |  |  |  |  |
Total shareholders' deficit | (43,171,000) |  | (43,171,000) |  |  | $ (41,322,000) |  |  |  |
Amortization of unrealized losses related to interest rate swaps to interest expense, net |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Reclassification |  |  | 502,000 |  |  |  |  |  |  |
Interest Rate Swap 2020-2033 |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Notional Amount | 60,000,000 |  | 60,000,000 |  |  |  |  |  |  |
Termination fee |  |  |  | 1,500,000 |  |  |  |  |  |
Interest Rate Swap 2020-2033 | Maximum |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Notional Amount | 335,000,000 |  | 335,000,000 |  |  |  |  | $ 335,000,000 | $ 425,000,000 |
Effective Interest Rate Swaps |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Derivative asset | 5,900,000 |  | 5,900,000 |  |  |  |  |  |  |
Reclassification |  |  | 4,600,000 |  |  |  |  |  |  |
Expected reclassification within next twelve months |  |  | 6,600,000 |  |  |  |  |  |  |
Dedesignated Interest Rate Swaps | Other Nonoperating Income (Expense) |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Unrealized loss on derivatives |  |  |  | 10,600,000 |  |  |  |  |  |
Dedesignated Interest Rate Swaps | Derivatives |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Total shareholders' deficit | 63,700,000 |  | 63,700,000 |  |  |  |  |  |  |
Dedesignated Interest Rate Swaps | Amortization of unrealized losses related to interest rate swaps to interest expense, net |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Reclassification | 200,000 | 100,000 | $ 500,000 | 200,000 |  |  |  |  |  |
Dedesignated Interest Rate Swaps | Derivatives |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Expected reclassification within next twelve months |  | $ 2,300,000 |  | $ 2,300,000 |  |  |  |  |  |
Senior Secured Revolver |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Line of credit facility, term (in years) |  |  | 5 years |  |  |  |  |  |  |
Line of credit facility, current borrowing capacity | 400,000,000 |  | $ 400,000,000 |  |  |  |  |  |  |
Line of credit facility, accordion feature, increase limit | 450,000,000 |  | 450,000,000 |  |  |  |  |  |  |
Outstanding amount under credit facility | 261,000,000.0 |  | 261,000,000.0 |  |  |  |  |  |  |
Availability under the credit facility | $ 122,900,000 |  | $ 122,900,000 |  |  |  |  |  |  |
Basis spread on variable rate debt (as a percent) |  |  | 2.25% |  |  |  |  |  |  |
Commitment fee, percent |  |  | 0.35% |  |  |  |  |  |  |
Weighted-average interest rate | 7.68% |  | 7.68% |  |  | 7.41% |  |  |  |
Senior Secured Revolver | Interest Rate Swap |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Weighted-average interest rate | 5.14% |  | 5.14% |  |  | 5.04% |  |  |  |
Letter of Credit |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Line of credit facility, current borrowing capacity | $ 25,000,000 |  | $ 25,000,000 |  |  |  |  |  |  |
Outstanding amount of letters of credit | $ 16,100,000 |  | $ 16,100,000 |  |  |  |  |  |  |
Interest rate | 2.38% |  | 2.38% |  |  |  |  |  |  |

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