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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
OPERATING ACTIVITIES |  |  |
Net (loss) income | $ (212,192,000) | $ (87,111,000) | $ 175,402,000
Adjustments to reconcile net (loss) income to net cash provided by operating activities: |  |  |
Depreciation, amortization and other non-cash charges | 95,309,000 | 172,607,000 | 166,789,000
Stock-based compensation expense | 8,735,000 | 8,630,000 | 9,419,000
Gain on disposition of assets, net | (9,523,000) | (2,645,000) | (3,344,000)
Gain due to insurance recovery |  |  | (9,646,000)
Gain due to benefit plan financing arrangement | (891,000) | (126,000) | (1,020,000)
Deferred income tax (benefit) provision | (25,845,000) | (22,225,000) | 21,395,000
Impairment and other charges | 211,043,000 | 73,560,000 |
(Increase) decrease in assets: |  |  |
Accounts receivable | 80,769,000 | 81,094,000 | 53,982,000
Income taxes receivable | (58,798,000) | 11,687,000 | 4,410,000
Inventories | 18,076,000 | 20,962,000 | (15,660,000)
Prepaid expenses | 1,337,000 | (692,000) | (778,000)
Other current assets | 227,000 | 300,000 | 3,375,000
Other non-current assets | (3,819,000) | (3,024,000) | 1,494,000
Increase (decrease) in liabilities: |  |  |
Accounts payable | (9,130,000) | (42,241,000) | (7,754,000)
Income taxes payable | (419,000) | (3,172,000) | 1,482,000
Accrued payroll and related expenses | (1,219,000) | (6,103,000) | 2,193,000
Accrued insurance expenses | (2,051,000) | 1,357,000 | 884,000
Accrued state, local and other taxes | 361,000 | (654,000) | (5,574,000)
Other accrued expenses | (6,541,000) | (2,089,000) | (994,000)
Pension liabilities | (3,249,000) | 6,575,000 | (7,862,000)
Long-term accrued insurance expenses | (2,218,000) | 1,968,000 | 1,696,000
Other long-term liabilities | (2,004,000) | 483,000 | (880,000)
Net cash provided by operating activities | 77,958,000 | 209,141,000 | 389,009,000
INVESTING ACTIVITIES |  |  |
Capital expenditures | (65,065,000) | (250,629,000) | (242,610,000)
Proceeds from sale of assets | 22,406,000 | 14,841,000 | 13,237,000
Proceeds from insurance recovery |  |  | 9,646,000
Proceeds from benefit plan financing arrangement | 1,566,000 | 507,000 | 2,218,000
Re-investment in benefit plan financing arrangement | (1,566,000) | (507,000) | (2,218,000)
Net cash used for investing activities | (42,659,000) | (235,788,000) | (219,727,000)
FINANCING ACTIVITIES |  |  |
Payment of dividends |  | (32,231,000) | (101,069,000)
Cash paid for common stock purchased and retired | (826,000) | (7,361,000) | (43,001,000)
Net cash used for financing activities | (826,000) | (39,592,000) | (144,070,000)
Net increase (decrease) in cash and cash equivalents | 34,473,000 | (66,239,000) | 25,212,000
Cash and cash equivalents at beginning of year | 50,023,000 | 116,262,000 | 91,050,000
Cash and cash equivalents at end of year | $ 84,496,000 | $ 50,023,000 | $ 116,262,000

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