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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2024 | Jun. 30, 2023
Cash flows from operating activities: |  |
Net income | $ 15,448 | $ 65,554
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Depreciation and amortization | 146,942 | 149,211
Deferred income taxes | (11,486) | 9,220
Gain on disposal of property and equipment | (6,244) | (30,229)
Non-cash equity compensation | 4,621 | 6,291
Insurance and claims accruals, net of current portion | (12,585) | (5,049)
Loss on investments in equity securities, net | 190 | 2
Loss from equity method investment | 274 | 844
Other | (6,569) | (2,445)
Changes in certain working capital items: |  |
Accounts receivable, net | 34,958 | 81,221
Other current assets | 30,553 | 16,255
Accounts payable | 5,269 | (4,493)
Other current liabilities | (3,714) | (4,592)
Net cash provided by operating activities | 197,657 | 281,790
Cash flows from investing activities: |  |
Additions to property and equipment | (198,534) | (361,312)
Proceeds from sales of property and equipment | 80,338 | 107,121
Net cash invested in acquisition | 0 | (188)
Investment in equity securities | (21) | 0
Payment to acquire equity method investment | (2,360) | (2,645)
Purchase of promissory note | 0 | (25,000)
Decrease in notes receivable | 1,168 | 1,707
Net cash used in investing activities | (119,409) | (280,317)
Cash flows from financing activities: |  |
Repayments of short-term debt | (32,500) | (3,750)
Proceeds from issuance of short-term debt | 40,000 | 0
Repayments of long-term debt | (136,250) | (50,000)
Proceeds from issuance of long-term debt | 150,000 | 0
Change in checks issued in excess of cash balances | 0 | 11,530
Dividends on common stock | (17,760) | (16,459)
Repurchases of common stock | (67,086) | 0
Tax withholding related to net share settlements of restricted stock awards | (4,172) | (5,517)
Net cash used in financing activities | (67,768) | (64,196)
Effect of exchange rate fluctuations on cash | (1,755) | 1,985
Net increase (decrease) in cash and cash equivalents | 8,725 | (60,738)
Cash and cash equivalents, beginning of period | 61,723 | 107,240
Cash and cash equivalents, end of period | 70,448 | 46,502
Supplemental disclosures of cash flow information: |  |
Interest paid | 16,725 | 16,643
Income taxes paid | 3,580 | 11,438
Supplemental schedule of non-cash investing and financing activities: |  |
Notes receivable issued upon sale of property and equipment | 1,466 | 1,504
Change in fair value of interest rate swaps | (1,136) | (1,074)
Property and equipment acquired included in accounts payable | 15,141 | 5,774
Property and equipment disposed included in other receivables | 1,719 | 0
Dividends accrued but not yet paid at end of period | 8,653 | 8,874
Contingent consideration associated with acquisitions | $ 0 | $ (800)

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