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Consolidated Statements Of Cash Flows - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
CASH FLOWS FROM OPERATING ACTIVITIES      
Net income $ 237,986 $ 228,655 $ 208,655
Adjustments to reconcile net income to net cash provided by operating activities:      
Depreciation and amortization 144,420 137,146 118,205
Write-off impairment 7,932 3,692 13,334
Stock-based compensation 4,086 3,994 1,387
Amortization of Series A Notes discount (premium) and related issuance costs, net (46) (93) (92)
Deferred income taxes and reserve, net (5,345) (15,059) 13,724
Loss (gain) on sale of property, plant and equipment (34,926) (34,154) 2,080
Gain on sale of investments, remeasurement of investments held under fair value method and deconsolidation of subsidiary (23,572) (7,928) (41,822)
Equity in net (earnings) losses of affiliated companies and partnerships, net of dividend received(*) [1] (7,853) 8,526 17,929
Changes in operating assets and liabilities, net of amounts acquired:      
Increase in short and long-term trade and unbilled receivables and contract assets, net and prepaid expenses (508,057) (267,924) (89,099)
Increase in inventories, net (69,762) (55,841) (117,221)
Increase (decrease) in trade payables, other payables and accrued expenses 143,847 115,621 (89,956)
Severance, pension and termination indemnities, net 31,394 4,629 (31,363)
Increase (decrease) in contract liabilities (customer advances) 358,730 (174,582) 185,898
Net cash provided by (used in) operating activities 278,834 (53,318) 191,659
CASH FLOWS FROM INVESTING ACTIVITIES      
Purchase of property, plant and equipment and other assets (132,210) (137,604) (102,301)
Acquisitions of subsidiaries and business operations (Schedule A) 218 357,144 504,447
Investments in affiliated companies and other companies (8,212) (8,567) (7,538)
Proceeds from premises evacuation grants receivable 0 344,913 0
Deconsolidation of subsidiary (Schedule B) 0 0 (2,873)
Proceeds from sale of property, plant and equipment 71,933 36,671 4,388
Proceeds from sale of investments 44,200 0 0
Proceeds from sale of long-term deposits, net 221 (38) (101)
Investment in short-term deposits (683) (2,314) (10,361)
Proceeds from sale of short-term deposits 1,666 17,294 30,363
Net cash used in investing activities (22,867) (106,789) (592,870)
CASH FLOWS FROM FINANCING ACTIVITIES      
Proceeds from exercise of options 0 0 48
Proceeds from Sale of Treasury Stock 0 184,840 0
Repayment of long-term loans (370,367) (243,324) (775)
Proceeds from long-term loans 201,551 350,000 342,528
Repayment of Series A Notes (55,532) (55,532) (55,532)
Dividends paid (78,194) (62,578) (75,305)
Change in short-term bank credit and loans, net 104,309 (718) 242,652
Net cash provided by (used in) financing activities (198,233) 172,688 453,616
NET INCREASE IN CASH AND CASH EQUIVALENTS 57,734 12,581 52,405
CASH AND CASH EQUIVALENTS AT THE BEGINNING OF THE YEAR 221,060 208,479 156,074
CASH AND CASH EQUIVALENTS AT THE END OF THE YEAR 278,794 221,060 208,479
Dividends received from affiliated companies and partnerships 9,151 10,300 15,707
Cash paid during the year for:      
Income taxes, net 44,212 12,850 26,463
Interest $ 20,078 $ 35,301 $ 30,304
[1] Dividends received from affiliated companies and partnerships