Quarterly report pursuant to Section 13 or 15(d)

Supplemental Cash Flow Information - Net Effects of Changes in Operating Assets and Liabilities, Net, on Cash Flows from Operating Activities (Details)

v3.21.2
Supplemental Cash Flow Information - Net Effects of Changes in Operating Assets and Liabilities, Net, on Cash Flows from Operating Activities (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Supplemental Cash Flow Elements [Abstract]        
Accounts and notes receivable $ (411,890) $ (322,579) $ (299,857) $ 37,541
Contract assets (96,423) 21,950 (308,849) 121,999
Inventories 5 8,655 (6,139) 6,787
Prepaid expenses and other current assets 37,406 19,655 (4,943) 70,133
Accounts payable and accrued expenses and other non-current liabilities 230,631 235,633 289,833 147,888
Contract liabilities (1,397) (79,964) (27,027) (73,567)
Other, net (6,027) (7,813) (15,205) (20,066)
Net change in operating assets and liabilities, net of non-cash transactions $ (247,695) $ (124,463) $ (372,187) $ 290,715