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CONSOLIDATED STATEMENTS OF CASH FLOWS $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2024 USD ($) | Jun. 30, 2023 USD ($)
OPERATING ACTIVITIES |  |
Net income | $ 44,612 | $ 111,726
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Depreciation and amortization | 66,693 | 64,804
Amortization of intangibles | 6,416 | 6,398
Share-based compensation expense | 6,322 | 5,585
Provision for losses on accounts receivable | 1,248 | 2,257
Change in deferred income taxes | (11,457) | (8,228)
(Gain) loss on sale of property and equipment | 565 | 1,188
Pre-tax gain on sale of discontinued operations | (806) | (70,215)
Change in fair value of contingent consideration | 11,170 | 5,040
Change in fair value of equity investment, decrease | 28,739 |
Change in fair value of equity investment, increase |  | (3,739)
Changes in operating assets and liabilities: |  |
Receivables | 38,702 | 83,542
Prepaid expenses | 5,199 | 6,353
Other assets | (2,789) | 759
Income taxes | (8,806) | (35,968)
Operating right-of-use assets and lease liabilities, net | (7,262) | 3,059
Accounts payable, accrued expenses, and other liabilities | (38,344) | (68,804)
NET CASH PROVIDED BY OPERATING ACTIVITIES | 140,202 | 103,757
INVESTING ACTIVITIES |  |
Purchases of property, plant and equipment, net of financings | (104,909) | (83,171)
Proceeds from sale of property and equipment | 2,341 | 2,853
Proceeds from sale of discontinued operations |  | 100,949
Purchases of short-term investments | (5,236) | (46,858)
Proceeds from sale of short-term investments | 28,504 | 63,693
Capitalization of internally developed software | (7,779) | (7,010)
NET CASH PROVIDED BY (USED IN) INVESTING ACTIVITIES | (87,079) | 30,456
FINANCING ACTIVITIES |  |
Payments on long-term debt | (35,705) | (35,114)
Net change in book overdrafts | (4,146) | (13,171)
Deferred financing costs |  | 57
Payment of common stock dividends | (5,647) | (5,809)
Purchases of treasury stock | (31,627) | (41,240)
Payments for tax withheld on share-based compensation | (22,634) | (10,022)
NET CASH USED IN FINANCING ACTIVITIES | (99,759) | (105,299)
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS | (46,636) | 28,914
CASH AND CASH EQUIVALENTS AT END OF PERIOD | 215,590 | 187,286
NONCASH INVESTING ACTIVITIES |  |
Equipment financed | 10,354 | 3,478
Accruals for equipment received | 3,904 | 10,106
Lease liabilities arising from obtaining right-of-use assets | $ 26,001 | $ 43,366

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