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Credit Facilities and Debt - Additional Information (Details) - USD ($) |  |  |  | 3 Months Ended
--- | --- | --- | --- | ---
Mar. 26, 2021 | Sep. 29, 2020 | Apr. 17, 2020 | Mar. 31, 2021
Line of Credit Facility [Line Items] |  |  |  |
Revolving credit facility |  |  |  | $ 40,000,000.0
Maturity date |  |  |  | Jun. 30, 2022
Extended maturity date | Jun. 30, 2023 |  |  |
Surety bonds |  |  |  | $ 230,200,000
Surety bonds terminated |  |  |  | $ 119,400,000
Maximum |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Letter of credit facility | $ 20,000,000.0 |  |  |
LC Facility |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Fees on undrawn borrowings (percentage) |  |  |  | 0.40%
Total outstanding letters of credit |  |  |  | $ 10,300,000
Letter of Credit |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Stated interest rate (percentage) |  |  |  | 2.00%
PPP Loan |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Maturity date |  |  | Apr. 17, 2022 |
Stated interest rate (percentage) |  |  | 1.00% |
Payment term description |  |  |  | The PPP Loan matures on April 17, 2022, bears interest at a fixed rate of 1.0 percent per annum and is payable in monthly installments commencing on the earlier of the date on which the amount of loan forgiveness is determined or March 17, 2021.
Unsecured loan amount |  |  | $ 10,000,000.0 |
Prepayment penalties |  |  | $ 0 |
PPP loan proceeds used for permissible expenses, percentage related to payroll costs |  |  | 93.00% |
Loan forgiveness |  | $ 8,900,000 |  |
Loan payments |  | $ 0 |  |
PPP Loan threshold requiring an audit by the SBA |  |  |  | $ 2,000,000.0

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- Definition PPP loan proceeds used for permissible expenses, percentage related to payroll costs. + References No definition available. + Details
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- Definition PPP loan threshold requiring audit by SBA. + References No definition available. + Details
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- Definition Decrease for amounts of indebtedness forgiven by the holder of the debt instrument. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(f)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 + Details
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- Definition Amount of cash outflow for cost from early extinguishment and prepayment of debt. Includes, but is not limited to, third-party cost, premium paid, and other fee paid to lender directly for debt extinguishment or debt prepayment. Excludes accrued interest. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585 + Details
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