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Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Cash flows from operating activities |  |  |
Net income including noncontrolling interests | $ 290,665 | $ 207,915 | $ 126,565
Adjustments to reconcile net income to net cash provided by operating activities |  |  |
Depreciation and amortization | 99,251 | 119,973 | 120,501
Amortization of debt issue costs | 7,799 | 2,842 | 3,029
Loss (gain) on disposal of property and equipment | 948 | 206 | (164)
Convertible debt repurchase loss | 18,355 | 0 | 0
Provision for doubtful accounts | 0 | 32 | 57
Deferred taxes | 6,101 | (8,914) | (844)
Foreign currency transaction gains and losses | 6,919 | (330) | 1,973
Equity in losses (earnings) of unconsolidated joint ventures | 23,361 | 47,751 | (16,347)
Return on investments in unconsolidated joint ventures | 40,162 | 48,970 | 28,417
Stock-based compensation | 56,082 | 34,365 | 23,008
Contributions of treasury stock | 59,778 | 58,172 | 54,659
Changes in assets and liabilities, net of acquisitions and newly consolidated joint ventures |  |  |
Accounts receivable | (163,139) | (176,181) | (117,318)
Contract assets | 31,881 | (119,898) | (32,032)
Prepaid expenses and other assets | 35,830 | (95,415) | (1,405)
Accounts payable | (42,686) | 24,497 | (717)
Accrued expenses and other current liabilities | 79,984 | 163,440 | 3,879
Contract liabilities | (11,325) | 84,439 | 41,306
Income taxes | (341) | 2,886 | (3,649)
Other long-term liabilities | (16,019) | 12,949 | 6,608
Net cash provided by operating activities | 523,606 | 407,699 | 237,526
Cash flows from investing activities |  |  |
Capital expenditures | (49,213) | (40,396) | (30,593)
Proceeds from sale of property and equipment | 179 | 546 | 771
Payments for acquisitions, net of cash acquired | (428,710) | (221,937) | (379,467)
Investments in unconsolidated joint ventures | (133,921) | (119,582) | (17,622)
Return of investments in unconsolidated joint ventures | 54,950 | 5,018 | 9,443
Proceeds from sales of investments in unconsolidated joint ventures | 0 | 381 | 0
Net cash used in investing activities | (556,715) | (375,970) | (417,468)
Cash flows from financing activities |  |  |
Proceeds from borrowings under credit agreement | 153,200 | 620,900 | 969,700
Proceeds from delayed draw term loan | 0 | 0 | 350,000
Repayments of borrowings under credit agreement | (153,200) | (620,900) | (969,700)
Repayment of private placement debt | 0 | 0 | (200,000)
Payments for acquired warrants | 0 | 0 | (11,243)
Proceeds from issuance of convertible notes due 2029 | 800,000 | 0 | 0
Repurchases of convertible notes due 2025 | (497,613) | 0 | 0
Payments for debt costs and credit agreement | (19,185) | 0 | (862)
Contributions by noncontrolling interests | 2,174 | 2,867 | 10,266
Distributions to noncontrolling interests | (29,199) | (12,496) | (24,128)
Repurchases of common stock | (25,000) | (11,000) | (22,000)
Taxes paid on vested stock | (22,560) | (7,301) | (7,042)
Capped call transactions | (88,400) | 0 | 0
Bond hedge termination | 195,549 | 0 | 0
Redemption of warrants | (104,952) | 0 | 0
Proceeds from issuance of common stock | 7,935 | 6,059 | 5,377
Net cash provided by (used in) financing activities | 218,749 | (21,871) | 100,368
Effect of exchange rate changes | (5,035) | 546 | (1,770)
Net increase (decrease) in cash, cash equivalents and restricted cash | 180,605 | 10,404 | (81,344)
Cash, cash equivalents and restricted cash |  |  |
Beginning of year | 272,943 | 262,539 | 343,883
End of year | 453,548 | 272,943 | 262,539
Cash paid during the year for |  |  |
Interest | 34,440 | 30,273 | 20,819
Income taxes (net of refunds) | $ 65,274 | $ 74,133 | $ 32,175

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