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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
OPERATING ACTIVITIES |  |  |
Net income | $ 298,209 | $ 213,521 | $ 71,100
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation and amortization | 127,119 | 118,864 | 114,379
Amortization of intangibles | 12,920 | 5,357 | 4,012
Pension settlement expense |  |  | 89
Share-based compensation expense | 12,775 | 11,426 | 10,478
Provision for losses on accounts receivable | 6,955 | 1,466 | 4,327
Change in deferred income taxes | (6,250) | (7,589) | 7,715
Gain on sale of property and equipment | (11,650) | (8,520) | (2,376)
Gain on sale of subsidiary | (402) | (6,923) |
Changes in operating assets and liabilities: |  |  |
Receivables | (10,349) | (122,782) | (38,129)
Prepaid expenses | (410) | (1,482) | (7,966)
Other assets | (2,941) | 354 | 2,646
Income taxes | (5,041) | 13,136 | (1,712)
Operating right-of-use assets and lease liabilities, net | 2,952 | 623 | 756
Accounts payable, accrued expenses, and other liabilities | 46,932 | 106,064 | 40,670
NET CASH PROVIDED BY OPERATING ACTIVITIES | 470,819 | 323,515 | 205,989
INVESTING ACTIVITIES |  |  |
Purchases of property, plant and equipment, net of financings | (148,223) | (58,412) | (43,248)
Proceeds from sale of property and equipment | 19,691 | 13,815 | 13,348
Business acquisition, net of cash acquired | 2,279 | (239,380) |
Proceeds from sale of subsidiary | 475 | 9,013 |
Purchases of short-term investments | (182,352) | (56,011) | (165,133)
Proceeds from sale of short-term investments | 64,329 | 73,182 | 216,735
Capitalization of internally developed software | (17,282) | (20,061) | (14,241)
Purchase of long-term investments |  | (25,350) |
NET CASH PROVIDED BY (USED IN) INVESTING ACTIVITIES | (261,083) | (303,204) | 7,461
FINANCING ACTIVITIES |  |  |
Borrowings under credit facilities | 58,000 | 50,000 | 180,000
Borrowings under accounts receivable securitization program |  |  | 45,000
Proceeds from notes payable | 14,206 | 3,523 |
Payments on long-term debt | (115,540) | (171,915) | (326,098)
Net change in book overdrafts | 8,356 | (1,957) | 6,510
Deferred financing costs | (952) | (314) |
Payment of common stock dividends | (10,830) | (8,139) | (8,157)
Purchases of treasury stock | (65,002) | (83,100) | (6,595)
Forward contract for accelerated share repurchase |  | (25,000) |
Payments for tax withheld on share-based compensation | (16,222) | (10,743) | (2,065)
NET CASH USED IN FINANCING ACTIVITIES | (127,984) | (247,645) | (111,405)
NET INCREASE IN CASH AND CASH EQUIVALENTS | 81,752 | (227,334) | 102,045
Cash and cash equivalents at beginning of period | 76,620 | 303,954 | 201,909
CASH AND CASH EQUIVALENTS AT END OF PERIOD | 158,372 | 76,620 | 303,954
NONCASH INVESTING ACTIVITIES |  |  |
Equipment financed | 82,425 | 59,700 | 61,803
Accruals for equipment received | 4,337 | 1,704 | 1,667
Lease liabilities arising from obtaining right-of-use assets | $ 87,294 | $ 14,671 | $ 67,819

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