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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Cash flows from operating activities:      
Net income (loss) $ (543,690) $ (762,846) $ (680,510)
Adjustments to net income (loss):      
Depreciation and amortization 693,382 853,697 876,103
Deferred income tax expense (benefit) (10,711) 64,717 35,894
Impairments and other charges 72,497 318,582 213,404
Amortization of debt discount and deferred financing costs 21,359 31,238 30,931
Losses (gains) on debt buyback (13,423) (228,274) (11,468)
Losses (gains) on long-lived assets, net 23,864 64,365 40,346
Losses (gains) on investments, net 327 4,286 (1,257)
Provision (recovery) of bad debt (2,515) 18,194 20,626
Share-based compensation 19,362 24,638 24,660
Foreign currency transaction losses (gains), net 4,800 13,133 20,876
Noncontrolling interest (25,582) (42,795) (22,375)
Equity in (earnings) losses from unconsolidated affiliates, net of dividends     5
Other 971 (770) 667
Changes in operating assets and liabilities, net of effects from acquisitions:      
Accounts receivable 71,805 67,502 276,685
Inventory 32,037 6,188 (18,695)
Other current assets 14,166 38,672 5,157
Other long-term assets 17,914 20,830 13,106
Trade accounts payable and accrued liabilities 12,143 (142,826) (142,857)
Income taxes payable 5,140 (933) (4,857)
Other long-term liabilities 34,930 2,163 8,117
Net cash provided by (used for) operating activities 428,776 349,761 684,558
Cash flows from investing activities:      
Purchases of investments (67) (91) (4,323)
Sales and maturities of investments 11,398 2,760 18,849
Cash paid for acquisition of businesses, net of cash acquired     (2,929)
Purchase of intangible assets (3,600)    
Capital expenditures (234,040) (195,523) (427,741)
Proceeds from sales of assets and insurance claims 124,301 27,397 60,288
Other (15,217)    
Net cash (used for) provided by investing activities (117,225) (165,457) (355,856)
Cash flows from financing activities:      
Proceeds from issuance of long-term debt 700,000 1,000,000  
Reduction in long-term debt (186,958) (1,394,043) (455,360)
Debt issuance costs (16,339) (28,112) (1,767)
Proceeds from revolving credit facilities 1,025,000 1,552,500 1,050,000
Reduction in revolving credit facilities (1,237,500) (1,235,000) (865,000)
Proceeds from (payments for) short-term borrowings     (561)
Repurchase of common and preferred shares   (1,731)  
Dividends to common and preferred shareholders (7,380) (22,538) (49,583)
Redeemable noncontrolling interest distribution (58,524)    
Distributions to noncontrolling interest (3,795) (5,083) (4,552)
Sale of non-controlling interest - special purpose acquisition company 276,000    
Other (2,083) (13,994) (4,750)
Net cash (used for) provided by financing activities 488,421 (148,001) (331,573)
Effect of exchange rate changes on cash and cash equivalents (1,742) (3,061) (6,171)
Net increase (decrease) in cash and cash equivalents and restricted cash 798,230 33,242 (9,042)
Cash and cash equivalents and restricted cash, beginning of period 475,280 442,038 451,080
Cash and cash equivalents and restricted cash, end of period 1,273,510 475,280 442,038
RECONCILIATION OF CASH AND CASH EQUIVALENTS AND RESTRICTED CASH      
Cash and cash equivalents, beginning of period 472,246 435,990 447,766
Restricted cash, beginning of period 3,034 6,048 3,314
Cash and cash equivalents and restricted cash, beginning of period 475,280 442,038 451,080
Cash and cash equivalents, end of period 991,471 472,246 435,990
Restricted cash, end of period 282,039 3,034 6,048
Cash and cash equivalents and restricted cash, end of period $ 1,273,510 $ 475,280 $ 442,038