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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
Mar. 31, 2022
Mar. 31, 2021
Supplemental Cash Flow Elements [Abstract]    
Accounts and notes receivable $ 25,182 $ 35,521
Contract assets (165,549) (62,278)
Inventories (9,488) (435)
Prepaid expenses and other current assets 21,094 9,948
Accounts payable and accrued expenses and other non-current liabilities (57,903) (4,780)
Contract liabilities (2,797) (29,225)
Other, net 632 (8,200)
Net change in operating assets and liabilities, net of non-cash transactions $ (188,829) $ (59,449)