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 |
12 Months Ended | ||
---|---|---|---|
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
|
Supplemental Cash Flow Elements [Abstract] | |||
Accounts and notes receivable | $ (425,313) | $ 144,877 | $ 150,470 |
Costs and estimated earnings in excess of billings on uncompleted contracts | 15,999 | (152,702) | (49,358) |
Inventories | 14,110 | (9,905) | (33,524) |
Prepaid expenses and other current assets | (32,079) | 25,133 | 5,899 |
Accounts payable and accrued expenses and other non-current liabilities | 29,722 | 81,792 | 7,311 |
Billings in excess of costs and estimated earnings on uncompleted contracts | 139,114 | (124,680) | 153,017 |
Other, net | 17,267 | (13,743) | (11,707) |
Net change in operating assets and liabilities, net of non-cash transactions | $ (241,180) | $ (49,228) | $ 222,108 |