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v3.24.2

UNAUDITED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2024 | Jun. 30, 2023
Cash flows from operating activities: |  |
Net income | $ 203,112 | $ 188,167
Adjustments to reconcile net income to net cash from operating activities: |  |
Depreciation and amortization | 195,569 | 174,455
Allowance for doubtful accounts | 4,349 | 1,209
Amortization of deferred financing costs and debt discount | 2,937 | 2,718
Accretion of environmental liabilities | 6,521 | 6,893
Changes in environmental liability estimates | 3,963 | 387
Deferred income taxes | (88) | (356)
Other expense, net | 1,308 | 1,167
Stock-based compensation | 14,853 | 10,518
Loss on early extinguishment of debt | 0 | 2,362
Environmental expenditures | (9,934) | (16,323)
Changes in assets and liabilities, net of acquisitions: |  |
Accounts receivable and unbilled accounts receivable | (116,307) | (5,659)
Inventories and supplies | (28,673) | (1,111)
Other current and long-term assets | (28,870) | (22,749)
Accounts payable | (12,418) | (78,139)
Other current and long-term liabilities | (1,728) | (27,966)
Net cash from operating activities | 234,594 | 235,573
Cash flows used in investing activities: |  |
Additions to property, plant and equipment | (273,023) | (204,298)
Proceeds from sale and disposal of fixed assets | 4,295 | 2,944
Acquisitions, net of cash acquired | (477,201) | (120,636)
Proceeds from sale of business | 750 | 0
Additions to intangible assets including costs to obtain or renew permits | (1,868) | (1,114)
Purchases of available-for-sale securities | (55,318) | (74,451)
Proceeds from sale of available-for-sale securities | 71,695 | 50,290
Net cash used in investing activities | (730,670) | (347,265)
Cash flows from (used in) financing activities: |  |
Change in uncashed checks | (1,868) | 2,392
Tax payments related to withholdings on vested restricted stock | (4,599) | (4,335)
Repurchases of common stock | (10,215) | (8,001)
Deferred financing costs paid | (8,148) | (6,346)
Payments on finance leases | (11,491) | (7,588)
Principal payments on debt | (7,551) | (618,975)
Proceeds from issuance of debt, net of discount | 499,375 | 500,000
Borrowing from revolving credit facility | 0 | 114,000
Payment on revolving credit facility | 0 | (114,000)
Net cash from (used in) financing activities | 455,503 | (142,853)
Effect of exchange rate change on cash | (2,133) | 718
Decrease in cash and cash equivalents | (42,706) | (253,827)
Cash and cash equivalents, beginning of period | 444,698 | 492,603
Cash and cash equivalents, end of period | 401,992 | 238,776
Cash payments for interest and income taxes: |  |
Interest paid | 74,079 | 49,257
Income taxes paid, net of refunds | 70,307 | 92,494
Non-cash investing activities: |  |
Property, plant and equipment accrued | 28,315 | 26,427
ROU assets obtained in exchange for operating lease liabilities | 49,420 | 38,474
ROU assets obtained in exchange for finance lease liabilities | $ 45,174 | $ 13,992

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