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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Sep. 30, 2024 | Sep. 30, 2023
Cash flows - operating activities |  |
Net income (loss) | $ 23,704 | $ 39,555
Adjustments to reconcile net income to net cash used in operating activities: |  |
Depreciation and amortization | 13,650 | 13,432
Deferred income taxes | (2,060) | (548)
Stock-based compensation expense | 9,901 | 7,331
Accretion expense related to earnout payments | 1,413 | 1,097
Gain on marketable securities | (2,323) | (2,040)
Loss on disposal of property and equipment | 264 | 192
Impairment charges | 16,224 | 7,246
Changes in assets and liabilities: |  |
Accounts receivable | (51,707) | (52,205)
Accounts payable | (13,292) | (1,657)
Accrued expenses | (41,372) | (197,698)
Non-cash write-offs | 2,990 | 0
Deferred revenue | 1,163 | (1,622)
Income taxes recoverable and payable, net | 347 | 6,617
Retirement and pension plan assets and liabilities | 6,385 | 6,697
Prepaid expenses | (4,057) | (3,771)
Other assets and liabilities, net | (987) | (3,243)
Net cash used in operating activities | (39,757) | (180,617)
Cash flows - investing activities |  |
Acquisition of businesses, net of cash acquired | 0 | (37,953)
Capital expenditures | (9,647) | (9,619)
Purchases of marketable securities and investments | (115,608) | (75,464)
Proceeds from sales of marketable securities and investments | 129,070 | 289,689
Net cash provided by investing activities | 3,815 | 166,653
Cash flows - financing activities |  |
Repurchases of common stock | 0 | (904)
Cash dividends paid | (9,609) | (9,383)
Payment of employee tax withholdings on equity transactions | (3,800) | (4,141)
Acquisition earnout payments | 0 | (37,984)
Net cash used in financing activities | (13,409) | (52,412)
Effect of exchange rate fluctuations on cash, cash equivalents and restricted cash | 155 | (2,642)
Net decrease in cash, cash equivalents and restricted cash | (49,196) | (69,018)
Cash, cash equivalents and restricted cash at beginning of period | 412,618 | 355,489
Cash, cash equivalents and restricted cash at end of period | $ 363,422 | $ 286,471

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