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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2022 USD ($) | Dec. 30, 2023 USD ($) item contract customer | Dec. 31, 2022 USD ($) | Dec. 25, 2021
Summary of significant accounting policies |  |  |  |
Number of markets | item |  | 3 |  |
Length of fiscal year |  | 364 days | 371 days | 364 days
Restricted investments |  | $ 24,800 |  |
Accounts receivable retainage | $ 8,000 | $ 8,200 | $ 8,000 |
Accounts receivable retainage, collection period |  | 18 months |  |
Inventory on consignment | 27,900 | $ 23,200 | 27,900 |
Number of insurance contracts with third party by Ardellis | contract |  | 207 |  |
Reserve associated with contracts to third party by Ardellis | 5,000 | $ 7,500 | 5,000 |
Goodwill |  |  |  |
Goodwill impairment |  |  | 2,480 |
New accounting pronouncement |  |  |  |
Retained earnings | 2,217,410 | 2,582,332 | 2,217,410 |
Right-of-use assets | 107,517 | 103,774 | 107,517 |
Operating lease liability |  | $ 107,862 |  |
Construction | Commercial |  |  |  |
Goodwill |  |  |  |
Goodwill impairment | 2,500 |  |  |
Accounts receivables | Customer Concentration | Top two customers |  |  |  |
Summary of significant accounting policies |  |  |  |
Top two customers | customer |  | 2 |  |
Concentration of accounts receivable related to largest customers | $ 131,000 | $ 118,000 | $ 131,000 |
Minimum |  |  |  |
Summary of significant accounting policies |  |  |  |
Length of fiscal year |  | 364 days |  |
Maximum |  |  |  |
Summary of significant accounting policies |  |  |  |
Length of fiscal year |  | 371 days |  |

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