Supplemental Cash Flow Information

9 Months Ended

Sep. 30, 2016

Supplemental Cash Flow Elements [Abstract]

13.

SUPPLEMENTAL CASH FLOW INFORMATION:

The net effect of changes in operating assets and liabilities, net of non-cash transactions, on cash flows from operating activities of continuing operations is as follows (in thousands):


	Three Months Ended September 30,						Nine Months Ended September 30,
	2016			2015			2016			2015
Accounts and notes receivable	$	(177,832	)	$	(59,739	)	$	86,562		$	77,913
Costs and estimated earnings in excess of billings on uncompleted contracts		(35,075	)		(11,828	)		(169,998	)		(78,597	)
Inventories		(12,405	)		(9,605	)		(10,124	)		(22,596	)
Prepaid expenses and other current assets		19,664			14,305			7,977			4,729
Accounts payable and accrued expenses and other non-current liabilities		105,104			60,333			108,196			111,779
Billings in excess of costs and estimated earnings on uncompleted contracts		(78,306	)		20,950			(90,833	)		6,381
Other, net		(6,486	)		(1,917	)		(7,485	)		(9,003	)

Net change in operating assets and liabilities, net of non-cash transactions	$	(185,336	)	$	12,499		$	(75,705	)	$	90,606

Additional supplemental cash flow information is as follows (in thousands):


	Three Months Ended						Nine Months Ended
	September 30,						September 30,
	2016			2015			2016			2015
Cash (paid) received during the period for —
Interest paid related to continuing operations	$	(3,344	)	$	(1,721	)	$	(8,851	)	$	(4,331	)
Income taxes paid related to continuing operations	$	(21,799	)	$	(55,817	)	$	(55,323	)	$	(106,058	)
Income taxes paid related to discontinued operations	$	—		$	(240	)	$	(6,080	)	$	(484	)
Income tax refunds related to continuing operations	$	2,554		$	7,286		$	4,233		$	18,024