Receivables, net (Tables)

9 Months Ended

Sep. 30, 2023

Receivables [Abstract]

Schedule of Major Categories of Receivables

(in thousands)	September 30, 2023		December 31, 2022
Contracts completed and in progress:
Billed	$	353,132	$	220,809
Unbilled	217,218		120,348
Total contracts completed and in progress	570,350		341,157
Materials sales	98,997		52,182
Other	75,259		71,790
Total gross receivables	744,606		465,129
Less: allowance for credit losses	1,515		1,142
Total net receivables	$	743,091	$	463,987