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Revenue Receivables and Contract Assets and Liabilities - Summary of Information about Contract Assets and Contract Liabilities (Details) - USD ($) $ in Thousands | 6 Months Ended |
--- | --- | ---
Jun. 28, 2024 | Jun. 30, 2023 | Dec. 29, 2023
Revenue from Contract with Customer [Abstract] |  |  |
Costs and estimated earnings in excess of billings on uncompleted contracts | $ 119,694 |  | $ 125,943
Costs and estimated earnings in excess of billings on uncompleted contracts, Change | (6,249) |  |
Retainage receivable | 46,569 |  | 48,316
Retainage receivable, Change | (1,747) |  |
Total contract assets | 166,263 |  | 174,259
Total contract assets, Change | (7,996) | $ 9,823 |
Billings on uncompleted contracts in excess of costs and estimated earnings | (44,732) |  | (48,841)
Billings on uncompleted contracts in excess of costs and estimated earnings, Change | 4,109 |  |
Forward loss reserve | (69,778) |  | (70,159)
Forward loss reserve, Change | 381 |  |
Total contract liabilities | (114,510) |  | (119,000)
Total contract liabilities, Change | 4,490 |  |
Net | 51,753 |  | $ 55,259
Net, Change | $ (3,506) |  |

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