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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2022 | Jun. 30, 2021
OPERATING ACTIVITIES |  |
Net income (loss) | $ 62,018 | $ (10,388)
Adjustments to reconcile net income (loss) to net cash provided by operating activities: |  |
Depreciation, amortization and other non-cash charges | 39,863 | 35,589
Stock-based compensation expense | 3,192 | 3,010
Gain on disposition of assets, net | (4,752) | (4,571)
Deferred income tax provision (benefit) | 7,788 | (4,338)
(Increase) decrease in assets: |  |
Accounts receivable | (98,745) | (18,779)
Income taxes receivable | 13,027 | 31,941
Inventories | (11,172) | 1,836
Prepaid expenses | 1,054 | 3,465
Other current assets | 540 | 508
Other non-current assets | 5,290 | 1,191
Increase (decrease) in liabilities: |  |
Accounts payable | 23,824 | 12,168
Income taxes payable | (128) | 303
Accrued payroll and related expenses | 8,881 | 2,635
Accrued insurance expenses | (4,530) | (482)
Accrued state, local and other taxes | 3,077 | 1,091
Other accrued expenses | (2,351) | 49
Pension and retirement plans liabilities | (4,429) | 113
Long-term accrued insurance expenses | (1,840) | (1,341)
Other long-term liabilities | 2,246 | 866
Net cash provided by operating activities | 42,853 | 54,866
INVESTING ACTIVITIES |  |
Capital expenditures | (50,578) | (25,875)
Proceeds from sale of assets | 7,148 | 8,094
Net cash used for investing activities | (43,430) | (17,781)
FINANCING ACTIVITIES |  |
Cash paid for common stock purchased and retired | (910) | (566)
Cash paid for finance lease | (2,713) |
Net cash used for financing activities | (3,623) | (566)
Net (decrease) increase in cash and cash equivalents | (4,200) | 36,519
Cash and cash equivalents at beginning of period | 82,433 | 84,496
Cash and cash equivalents at end of period | 78,233 | 121,015
Supplemental cash flows disclosure: |  |
Income taxes payment (refund), net | 872 | (28,386)
Interest paid | 123 | 82
Supplemental disclosure of noncash investing activities: |  |
Capital expenditures included in accounts payable | $ 8,248 | $ 4,131

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