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CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2019 | Mar. 31, 2018
Cash flows from operating activities: |  |
Net income | $ 189,487 | $ 225,229
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Depreciation and amortization | 148,528 | 142,799
Impairment charges | 41,037 | 0
Stock-based compensation expense | 12,110 | 9,685
Deferred income taxes | 41,372 | 43,617
Equity investment (loss) income, net | (337) | 3,564
Other non-cash charges, net | 1,720 | 9,959
Changes in operating assets and liabilities, net of effect of acquisitions and divestitures: |  |
Accounts receivable | (132,292) | (63,701)
Inventories | 3,324 | 57,621
Other receivables and other current assets | 1,199 | (34,120)
Other long-term assets | (1,997) | 2,054
Accounts payable | (38,537) | (62,830)
Accrued compensation and benefits | (173,583) | (62,550)
Other current liabilities | 17,236 | 49,379
Income taxes | 32,502 | 30,772
Other long-term liabilities | (465) | 11,061
Net cash provided by operating activities | 141,304 | 362,539
Cash flows from investing activities: |  |
Additions of property and equipment | (198,878) | (232,443)
Acquisitions | (11,274) | (16,582)
Proceeds from asset and business sales | 13,903 | 18,535
Purchase of other debt and equity investments | (3,290) | (2,646)
Purchase of investments held-to-maturity | (209) | (3,586)
Proceeds from sale of other debt and equity investments | 3,302 | 5,151
Proceeds from investments held-to-maturity | 0 | 31,454
Purchase of equity investments | (4,067) | (2,476)
Distributions received on equity investments | 155 | 2,465
Net cash used in investing activities | (200,358) | (200,128)
Cash flows from financing activities: |  |
Borrowings | 17,133,464 | 13,306,898
Payments on long-term debt and other financing costs | (16,776,267) | (13,202,225)
Purchase of treasury stock | 0 | (290,377)
Distributions to noncontrolling interests | (44,230) | (45,467)
Stock award exercises and other share issuances, net | 1,517 |
Stock award exercises and other share issuances, net |  | (1,185)
Contributions from noncontrolling interests | 18,947 | 12,009
Purchases of noncontrolling interests | (8,480) | (2,200)
Net cash provided by (used in) financing activities | 324,951 | (222,547)
Effect of exchange rate changes on cash, cash equivalents and restricted cash | (921) | 6,668
Net increase (decrease) in cash, cash equivalents and restricted cash | 264,976 | (53,468)
Cash, cash equivalents and restricted cash of continuing operations at beginning of the year | 415,420 | 518,920
Cash, cash equivalents and restricted cash of continuing operations at end of the period | 561,434 | 447,618
Discontinued Operations |  |
Cash flows from financing activities: |  |
Net increase (decrease) in cash, cash equivalents and restricted cash | 118,962 | 17,834
Continuing Operations |  |
Cash flows from financing activities: |  |
Net increase (decrease) in cash, cash equivalents and restricted cash | $ 146,014 | $ (71,302)

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- Definition Amount of distribution received from equity method investee for return of investment, classified as investing activities. Excludes distribution for return on investment, classified as operating activities. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 21D -URI http://asc.fasb.org/extlink&oid=109223946&loc=SL94080555-108585 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3179-108585 + Details
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