Consolidated Statements of Cash Flows (Tables)

12 Months Ended

Dec. 31, 2019

Consolidated Statement of Cash Flows [Abstract]

Changes in Other Components of Working Capital

	Year Ended December 31,
(in thousands)	2019		2018		2017
(Increase) Decrease in:
Accounts receivable	$	(81,983)	$	3,899	$	(91,062)
Retainage receivable		(78,520)		56,754		33,453
Costs and estimated earnings in excess of billings		18,751		(209,537)		(100,932)
Other current assets		(76,146)		15,398		(19,718)
(Decrease) Increase in:
Accounts payable		53,999		(78,243)		(35,751)
Retainage payable		35,013		(49,864)		3,526
Billings in excess of costs and estimated earnings		245,292		76,703		125,757
Accrued expenses and other current liabilities		14,851		28,046		24,513
Changes in other components of working capital	$	131,257	$	(156,844)	$	(60,214)
Cash paid during the year for:
Interest	$	56,137	$	51,063	$	50,443
Income taxes	$	43,374	$	13,652	$	39,776