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CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2020 | Jun. 30, 2019
Cash flows from operating activities: |  |
Net income | $ 542,767 | $ 516,644
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Depreciation and amortization | 312,055 | 300,770
Debt refinancing charges | 884 | 0
Impairment charges | 0 | 41,037
Stock-based compensation expense | 42,125 | 29,045
Deferred income taxes | 132,101 | 60,706
Equity investment (loss) income, net | (6,494) | 2,631
Loss on sales of business interests, net | 16,252 | 23,022
Other non-cash charges, net | (5,885) | 25,857
Changes in operating assets and liabilities, net of effect of acquisitions and divestitures: |  |
Accounts receivable | 15,194 | (288,437)
Inventories | (696) | 11,542
Other receivables and other current assets | (131,988) | (5,142)
Other long-term assets | 1,950 | (410)
Accounts payable | (15,858) | (68,887)
Accrued compensation and benefits | (19,325) | (88,473)
Other current liabilities | 146,490 | 151,780
Income taxes | (4,800) | 57,551
Other long-term liabilities | (13,269) | (18,121)
Net cash provided by operating activities | 1,011,503 | 751,115
Cash flows from investing activities: |  |
Additions of property and equipment | (291,667) | (373,918)
Acquisitions | (44,267) | (65,970)
Proceeds from asset and business sales | 70,615 | 3,851,381
Purchase of debt investments held-to-maturity | (142,483) | (3,322)
Purchase of other debt and equity investments | (3,034) | (4,812)
Proceeds from debt investments held-to-maturity | 7,621 | 0
Proceeds from sale of other debt and equity investments | 3,438 | 5,893
Purchase of equity method investments | (8,101) | (6,715)
Distributions from equity method investments | 739 | 155
Net cash (used in) provided by investing activities | (407,139) | 3,402,692
Cash flows from financing activities: |  |
Borrowings | 2,324,300 | 32,367,300
Payments on long-term debt | (635,695) | (33,527,788)
Deferred financing and debt redemption costs | (20,375) | (3,621)
Purchase of treasury stock | (321,798) | (73,078)
Distributions to noncontrolling interests | (118,553) | (95,714)
Stock award exercises and other share issuances, net | (2,106) |
Stock award exercises and other share issuances, net |  | 2,107
Contributions from noncontrolling interests | 20,582 | 31,281
Purchases of noncontrolling interests | (6,782) | (11,040)
Net cash provided by (used in) financing activities | 1,239,573 | (1,310,553)
Effect of exchange rate changes on cash, cash equivalents and restricted cash | (16,936) | (77)
Net increase in cash, cash equivalents and restricted cash | 1,827,001 | 2,843,177
Cash, cash equivalents and restricted cash of continuing operations at beginning of the year | 1,208,718 | 415,420
Cash, cash equivalents and restricted cash of continuing operations at end of the year | 3,035,719 | 3,682,410
Discontinued Operations |  |
Cash flows from financing activities: |  |
Net increase in cash, cash equivalents and restricted cash | 0 | (423,813)
Continuing Operations |  |
Cash flows from financing activities: |  |
Net increase in cash, cash equivalents and restricted cash | $ 1,827,001 | $ 3,266,990

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