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Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Operating Activities |  |  |
Net income | $ 115,930 | $ 136,161 | $ 101,928
Adjustments to reconcile net income to cash provided by operating activities: |  |  |
Provision for doubtful accounts | 1,718 | 253 | 424
Depreciation - PP&E | 26,865 | 23,665 | 23,673
Depreciation - Rental | 9,992 | 8,789 | 7,739
Amortization of intangibles | 16,227 | 15,519 | 15,277
Amortization of debt issuance | 703 | 703 | 667
Stock-based compensation expense | 9,141 | 7,424 | 5,561
Provision for deferred income tax benefit | (3,607) | (4,253) | (2,337)
Gain on sale of property, plant and equipment | (639) | (6,621) | (161)
Changes in operating assets and liabilities, net of acquisitions: |  |  |
Accounts receivable | 47,012 | (35,293) | (85,055)
Inventories | 26,494 | (10,844) | (37,739)
Rental equipment | (23,830) | (13,930) | (9,196)
Prepaid expenses and other | (2,608) | (835) | (6,146)
Trade accounts payable and accrued liabilities | (15,673) | 4,813 | (2,879)
Income taxes payable | 1,000 | 6,705 | 2,934
Long term tax payable | (2,007) | (1,147) | (635)
Other assets and liabilities, net | 3,060 | 45 | 475
Net cash provided by operating activities | 209,778 | 131,154 | 14,530
Investing Activities |  |  |
Acquisitions, net of cash acquired | 0 | (27,560) | (2,000)
Purchase of property, plant and equipment | (24,993) | (37,745) | (31,141)
Proceeds from sale of property, plant and equipment | 3,045 | 12,682 | 1,566
Purchase of patents | (233) | 0 | (163)
Net cash used in investing activities | (22,181) | (52,623) | (31,738)
Financing Activities |  |  |
Borrowings on bank revolving credit facility | 195,000 | 183,000 | 222,000
Repayment on bank revolving credit facility | (195,000) | (235,000) | (174,000)
Principal payments on long-term debt and capital leases | (15,069) | (14,948) | (15,031)
Contingent consideration payment after acquisition | (4,402) | 0 | 0
Dividends paid | (12,442) | (10,485) | (8,549)
Proceeds from exercise of stock options | 1,912 | 1,586 | 803
Common stock repurchased | (1,972) | (1,034) | (768)
Net cash (used in) provided by financing activities | (31,973) | (76,881) | 24,455
Effect of exchange rate changes on cash | (10,269) | 3,253 | (2,346)
Net change in cash and cash equivalents | 145,355 | 4,903 | 4,901
Cash and cash equivalents at beginning of the year | 51,919 | 47,016 | 42,115
Cash and cash equivalents at end of the year | 197,274 | 51,919 | 47,016
Cash paid during the year for: |  |  |
Interest | 20,787 | 25,358 | 14,575
Income taxes | $ 40,426 | $ 37,330 | $ 35,102

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