Quarterly report pursuant to Section 13 or 15(d)

Supplemental Cash Flow Information - Schedule of Effect of Changes in Operating Assets and Liabilities, Net Of Non-Cash Transactions, On Cash Flows From Operating Activities of Continuing Operations (Detail)

v3.7.0.1
Supplemental Cash Flow Information - Schedule of Effect of Changes in Operating Assets and Liabilities, Net Of Non-Cash Transactions, On Cash Flows From Operating Activities of Continuing Operations (Detail) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Supplemental Cash Flow Elements [Abstract]        
Accounts and notes receivable $ (31,605) $ 105,399 $ (126,443) $ 264,394
Costs and estimated earnings in excess of billings on uncompleted contracts (67,270) (82,456) (147,980) (134,923)
Inventories (3,529) (2,256) (4,798) 2,281
Prepaid expenses and other current assets (29,355) (13,513) (33,637) (11,687)
Accounts payable and accrued expenses and other non-current liabilities (55,848) 33,968 13,641 10,324
Billings in excess of costs and estimated earnings on uncompleted contracts 48,020 (48,465) 36,206 (12,527)
Other, net 12,624 3,875 18,842 (999)
Net change in operating assets and liabilities, net of non-cash transactions $ (126,963) $ (3,448) $ (244,169) $ 116,863