Reduction in profit recognized for cumulative catch-up adjustment from change in measure of progress.

No definition available.

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- Definition

Amount of increase in net contract liabilities.

+ References

No definition available.

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- Definition

RevenueFromContractWithCustomersLineItems

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No definition available.

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- Definition

Amount of allowance for credit loss on accounts receivable.

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- Definition

Amount of expense (reversal of expense) for expected credit loss on right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time.

+ References

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- Definition

Amount of increase (decrease) in right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time, from business combination.

+ References

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- Definition

Amount of increase (decrease) in obligation to transfer good or service to customer for which consideration from customer has been received or is due, from business combination.

+ References

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- Definition

Amount of revenue recognized from performance obligation satisfied or partially satisfied in previous reporting periods. Includes, but is not limited to, change in transaction price.

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- Definition

Amount of transaction price allocated to performance obligation that has not been recognized as revenue.

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Revenue from Contracts with Customers (Details) - USD ($)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Revenue From Contract With Customers [Line Items]
Performance obligation satisfied in previous period	$ 10,000,000	$ 0	$ 22,600,000	$ 0
Allowance for credit losses	21,644,000		21,644,000		$ 22,382,000
Increase in contract assets from acquisitions			1,800,000
Increase in contract liabilities from acquisitions			5,000,000
Contract asset impairment			0		$ 0
Remaining performance obligations	8,635,443,000		8,635,443,000
Excluding2023Acquisitions
Revenue From Contract With Customers [Line Items]
Increase in net contract liabilities			352,000,000
Minimum [Member]
Revenue From Contract With Customers [Line Items]
Change in total estimated cost or anticipated contract value			1,000,000
Performance obligation satisfied in previous period			1,000,000
United States Electrical Construction And Facilities Services [Member]
Revenue From Contract With Customers [Line Items]
Performance obligation satisfied in previous period	4,200,000		4,300,000
United States Mechanical Construction And Facilities Services [Member]
Revenue From Contract With Customers [Line Items]
Performance obligation satisfied in previous period	$ 5,800,000		$ 18,300,000