Revenue from Contracts with Customers (Details) - USD ($)	3 Months Ended		12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Revenue From Contract With Customers [Line Items]
Change in total estimated cost or anticipated contract value	$ 6,400,000	$ 10,000,000
Performance obligation satisfied in previous period	0	0
Allowance for credit losses	21,828,000		$ 22,382,000
Increase in net contract liabilities	28,600,000
Contract asset impairment	0		$ 0
Remaining performance obligations	7,873,143,000
Minimum [Member]
Revenue From Contract With Customers [Line Items]
Change in total estimated cost or anticipated contract value	1,000,000
United States Electrical Construction And Facilities Services [Member]
Revenue From Contract With Customers [Line Items]
Change in total estimated cost or anticipated contract value	5,200,000	4,600,000
United States Mechanical Construction And Facilities Services [Member]
Revenue From Contract With Customers [Line Items]
Change in total estimated cost or anticipated contract value	$ 1,200,000	$ 5,400,000