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Revenue from Contracts with Customers (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Revenue From Contract With Customers [Line Items] |  |  |
Change in total estimated cost or anticipated contract value | $ 48,500,000 | $ 0 | $ 0
Performance obligation satisfied in previous period | 0 | 0 | $ 6,100,000
Unbilled revenues for unapproved change orders | 36,000,000 | 24,100,000 |
Claims on contract assets | 3,800,000 | 2,500,000 |
Claim amounts within accounts receivable | 0 | 0 |
Contractually billed amounts and retention related to contracts with unapproved change orders and claims | 131,400,000 | 130,700,000 |
Net contract liabilities, construction | 763,163,000 | 500,348,000 |
Contract asset impairment | 0 | 0 |
Accounts receivable, retainage | $ 456,900,000 | 375,300,000 |
Accounts receivable, retainage estimated to be collected in next fiscal year | 90.00% |  |
Accounts payable, retainage | $ 82,400,000 | $ 71,100,000 |
Accounts payable, retainage estimated to be paid in next fiscal year | 90.00% |  |
Remaining performance obligations | $ 7,459,299,000 |  |
Minimum |  |  |
Revenue From Contract With Customers [Line Items] |  |  |
Change in total estimated cost or anticipated contract value | 1,000,000 |  |
2022Acquisitions |  |  |
Revenue From Contract With Customers [Line Items] |  |  |
Increase (decrease) in contract assets from acquisitions | 2,100,000 |  |
Increase (decrease) in contract liabilities from acquisitions | 14,100,000 |  |
Excluding2022Acquisitions |  |  |
Revenue From Contract With Customers [Line Items] |  |  |
Increase in net contract liabilities | 254,900,000 |  |
United States Electrical Construction And Facilities Services |  |  |
Revenue From Contract With Customers [Line Items] |  |  |
Change in total estimated cost or anticipated contract value | 33,500,000 |  |
United States Mechanical Construction And Facilities Services |  |  |
Revenue From Contract With Customers [Line Items] |  |  |
Change in total estimated cost or anticipated contract value | 13,700,000 |  |
United States Building Services |  |  |
Revenue From Contract With Customers [Line Items] |  |  |
Change in total estimated cost or anticipated contract value | $ 1,300,000 |  |

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- Definition Contractually billed accounts receivable and retention on contracts with unapproved change orders and claims. + References No definition available. + Details
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- Definition The total amount of accounts receivable from customers under construction contracts associated with claims or other similar items subject to uncertainty concerning their determination or ultimate realization. + References No definition available. + Details
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- Definition Amount of unbilled claims or other similar items included in contract assets subject to uncertainty concerning their determination or ultimate realization under construction contracts. + References No definition available. + Details
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- Definition Percentage of contract retainage payable expected to be paid in next twelve months. + References No definition available. + Details
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- Definition Percentage of contract retainage receivable expected to be collected in next twelve months. + References No definition available. + Details
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- Definition The amount of unbilled receivables for unapproved change orders from customers under construction contracts that were not billed at the balance sheet date, included in contract assets. + References No definition available. + Details
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