Receivables, net (Tables)

3 Months Ended

Mar. 31, 2024

Receivables [Abstract]

Schedule of Major Categories of Receivables

The following table presents major categories of receivables:

(in thousands)	March 31, 2024		December 31, 2023
Contracts completed and in progress:
Billed	$	191,530	$	343,190
Unbilled	115,946		119,170
Total contracts completed and in progress	307,476		462,360
Materials sales	43,816		61,808
Other	79,359		76,084
Total gross receivables	430,651		600,252
Less: allowance for credit losses	821		1,547
Total net receivables	$	429,830	$	598,705