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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
CASH FLOWS FROM OPERATING ACTIVITIES |  |  |
Net income | $ 206,115 | $ 293,109 | $ 287,066
Non-controlling interests in subsidiaries' income (loss) | 29 | (26) | (73)
Net income including non-controlling interests | 206,144 | 293,083 | 286,993
Adjustments to reconcile Net income including non-controlling interests to Net cash provided by operating activities: |  |  |
Rationalization and asset impairment net charges (Notes 6) | 21,835 | 3,500 | (5,978)
Net impact of U.S. Tax Act (Note 14) | 0 | 0 | 399
Depreciation and amortization | 80,492 | 81,487 | 72,346
Equity earnings in affiliates, net | (408) | (1,427) | (3,034)
Deferred income taxes | (2,948) | 13,019 | 1,490
Stock-based compensation | 15,388 | 16,624 | 18,554
Gain on change in control | 0 | (7,601) | 0
Other, net | (9,996) | (8,155) | (7,934)
Changes in operating assets and liabilities, net of effects from acquisitions: |  |  |
Decrease (increase) in accounts receivable | 3,582 | 50,394 | (4,061)
Decrease (increase) in inventories | 22,751 | (12,023) | (23,904)
Decrease in other current assets | 14,711 | 14,269 | 1,324
(Decrease) increase in trade accounts payable | (17,919) | (8,339) | 3,636
Increase (decrease) in other current liabilities | 22,310 | (31,223) | (13,657)
Net change in other assets and liabilities | (4,580) | (423) | 2,978
NET CASH PROVIDED BY OPERATING ACTIVITIES | 351,362 | 403,185 | 329,152
CASH FLOWS FROM INVESTING ACTIVITIES |  |  |
Capital expenditures | (59,201) | (69,615) | (71,246)
Acquisition of businesses, net of cash acquired | 0 | (134,717) | (101,792)
Proceeds from sale of property, plant, and equipment | 7,667 | 9,509 | 16,755
Purchase of marketable securities | 0 | 0 | (268,335)
Proceeds from marketable securities | 0 | 0 | 447,459
Other investing activities | 2,321 | 2,000 | (2,000)
NET CASH (USED BY) PROVIDED BY INVESTING ACTIVITIES | (49,213) | (192,823) | 20,841
CASH FLOWS FROM FINANCING ACTIVITIES |  |  |
Amounts due banks, net | (31,746) | 24,429 | (835)
Payments on long-term borrowings | (14) | (107) | (107)
Proceeds from exercise of stock options | 17,192 | 14,347 | 4,690
Purchase of shares for treasury (Note 8) | (113,455) | (292,693) | (201,650)
Cash dividends paid to shareholders | (118,118) | (117,920) | (102,058)
Other Financing Activities | 0 | 0 | (2,170)
NET CASH USED BY FINANCING ACTIVITIES | (246,141) | (371,944) | (302,130)
Effect of exchange rate changes on Cash and cash equivalents | 1,708 | 2,296 | (15,715)
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS | 57,716 | (159,286) | 32,148
Cash and cash equivalents at beginning of period | 199,563 | 358,849 | 326,701
CASH AND CASH EQUIVALENTS AT END OF PERIOD | $ 257,279 | $ 199,563 | $ 358,849

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- Definition The cash outflow to reacquire common stock during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585 + Details
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