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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
OPERATING ACTIVITIES |  |
Net income | $ 27,467 | $ 71,524
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Depreciation and amortization | 30,004 | 24,125
Stock-based compensation expense | 1,926 | 1,802
Gain on disposition of assets, net | (1,214) | (2,936)
Deferred income tax provision | 730 | 2,536
Pension settlement charges |  | 17,375
Other non-cash adjustments | 135 | 6
(Increase) decrease in assets: |  |
Accounts receivable | (4,812) | 16,209
Income taxes receivable | 6,000 | 18,057
Inventories | (1,488) | (959)
Prepaid expenses | 2,535 | 1,725
Other current assets | 121 | 141
Other non-current assets | (1,044) | (236)
Increase (decrease) in liabilities: |  |
Accounts payable | 19,759 | (3,389)
Income taxes payable | 1,335 | 14
Unearned revenue | (15,171) |
Accrued payroll and related expenses | (10,163) | (13,193)
Accrued insurance expenses | 370 | 865
Accrued state, local and other taxes | (263) | 1,691
Other accrued expenses | (2,168) | (1,074)
Pension and retirement plan liabilities | 313 | (4,723)
Long-term accrued insurance expenses | 400 | 2,018
Other long-term liabilities | 1,787 | 945
Net cash provided by operating activities | 56,559 | 132,523
INVESTING ACTIVITIES |  |
Capital expenditures | (52,778) | (65,300)
Proceeds from sale of assets | 3,772 | 4,285
Net cash used for investing activities | (49,006) | (61,015)
FINANCING ACTIVITIES |  |
Payment of dividends | (8,621) | (8,679)
Cash paid for common stock purchased and retired | (9,858) | (11,349)
Cash paid for finance lease and finance obligations | (185) |
Net cash used for financing activities | (18,664) | (20,028)
Net (decrease) increase in cash and cash equivalents | (11,111) | 51,480
Cash and cash equivalents at beginning of period | 223,310 | 126,424
Cash and cash equivalents at end of period | 212,199 | 177,904
Supplemental cash flows disclosure: |  |
Income tax payments, net | 187 | 922
Interest paid | 42 | 41
Supplemental disclosure of noncash investing activities: |  |
Capital expenditures included in accounts payable | $ 11,054 | $ 11,866

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