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CONSOLIDATED STATEMENTS OF CASH FLOWS $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($)
Cash flows from operating activities: |  |  |
Net (loss) income | $ (139,616) | $ (281,704) | $ 80,310
Net loss (income) from discontinued operations | 141,410 | 335,984 | (49,190)
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation | 65,955 | 65,333 | 61,244
Amortization | 13,786 | 11,593 | 13,537
Amortization of deferred financing costs and original issue discount | 1,907 | 2,515 | 2,799
Debt extinguishment costs | 21,166 | 22,658 | 3,400
Foreign currency exchange (gain) loss | 4,716 | (5,264) | 1,228
Pension and postretirement healthcare (benefit) expense | (302) | 416 | 1,471
Pension and postretirement healthcare benefit funding | 0 | (3,264) | (4,955)
Deferred income tax (benefit) provision | 4,548 | (60,060) | 3,898
Net loss on asset disposals | 5,666 | 4,722 | 4,559
Stock compensation | 31,838 | 17,194 | 13,281
Equity in net income from affiliated companies | (27,737) | (21,065) | (45,808)
Dividends received from affiliated companies | 35,000 | 40,000 | 40,000
Other, net | (2,930) | (3,478) | (3,185)
Working capital changes that provided (used) cash, excluding the effect of acquisitions and dispositions: |  |  |
Receivables | (33,476) | 6,971 | 4,486
Inventories | 631 | (2,976) | (4,226)
Prepaids and other current assets | (7,827) | (1,359) | 2,883
Accounts payable | 10,006 | 6,868 | 541
Accrued liabilities | 12,597 | 5,015 | 6,903
Net cash provided by operating activities, continuing operations | 137,338 | 140,099 | 133,176
Net cash provided by operating activities, discontinued operations | (7,420) | 83,499 | 134,587
Net cash provided by operating activities | 129,918 | 223,598 | 267,763
Cash flows from investing activities: |  |  |
Purchases of property, plant and equipment | (60,045) | (54,837) | (55,252)
Proceeds from business divestiture, net of cash and indebtedness | 978,449 | 624,256 | 0
Proceeds from sale of assets | 0 | 2,375 | 0
Business combinations, net of cash acquired | (42,639) | 0 | 0
Other, net | (12) | 0 | 469
Net cash provided by (used in) investing activities, continuing operations | 875,753 | 571,794 | (54,783)
Net cash (used in) provided by investing activities, discontinued operations | (40,021) | (20,322) | 19,424
Net cash provided by (used in) investing activities | 835,732 | 551,472 | (35,359)
Cash flows from financing activities: |  |  |
Draw down of revolving credit facilities | 0 | 126,500 | 175,500
Repayments of revolving credit facilities | 0 | (126,500) | (175,500)
Issuance of long-term debt, net of original issue discount and financing fees | 897,750 | 640,340 | 0
Debt issuance costs | (1,293) | (8,987) | 0
Repayments of long-term debt | (1,430,863) | (1,091,134) | (215,000)
Debt prepayment fees | (8,481) | (10,550) | 0
Proceeds from financing obligation | 16,005 | 0 | 0
Dividends paid to stockholders | 435,593 | 243,749 | 0
Repurchases of common shares | 0 | (2,059) | 0
Tax withholdings on equity award vesting | (1,470) | (2,539) | (3,563)
Proceeds from stock options exercised | 746 | 373 | 3,975
Repayments of financing obligation | (1,435) | 0 | 0
Other | 1,545 | (1,875) | (155)
Net cash used in financing activities, continuing operations | (963,089) | (720,180) | (214,743)
Net cash used in financing activities, discontinued operations | (1,144) | (2,640) | (1,350)
Net cash used in financing activities | (964,233) | (722,820) | (216,093)
Effect of exchange rate changes on cash, cash equivalents and restricted cash | 2,253 | 11,052 | (2,120)
Net change in cash, cash equivalents and restricted cash | 3,670 | 63,302 | 14,191
Cash, cash equivalents and restricted cash at beginning of period | 137,219 | 73,917 | 59,726
Cash, cash equivalents and restricted cash at end of period | 140,889 | 137,219 | 73,917
Less cash, cash equivalents and restricted cash of discontinued operations | 0 | (22,202) | (36,505)
Cash, cash equivalents and restricted cash at end of period of continuing operations | $ 140,889 | $ 115,017 | $ 37,412

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