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Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2016 | Mar. 31, 2015
Statement of Cash Flows [Abstract] |  |  |
Cash and cash equivalents at beginning of year | $ 213,734 |  | $ 2,489,768
Cash flows from operating activities: |  |  |
Net income | 235,548 |  | 47,149
Adjustments to reconcile net income to cash flows from operating activities: |  |  |
Depreciation and amortization | 60,552 |  | 63,986
Gain on sales of businesses, net | (121,324) | [1] | 0
Stock-based compensation | 4,007 |  | 4,912
Excess tax benefits realized from stock-based compensation arrangements | 0 |  | (23)
Equity in net income of unconsolidated investments (net of tax) | (16,566) |  | (10,392)
Dividends received from unconsolidated investments and nonmarketable securities | 200 |  | 3,048
Pension and postretirement expense (benefit) | 1,389 |  | (1,458)
Pension and postretirement contributions | (4,224) |  | (5,986)
Unrealized loss (gain) on investments in marketable securities | 1,044 |  | (462)
Deferred income taxes | 816 |  | (32,845)
Working capital changes | 10,467 |  | 28,881
Other, net | 799 |  | (51,019)
Net cash provided by operating activities | 172,708 |  | 45,791
Cash flows from investing activities: |  |  |
Acquisition of Rockwood, net of cash acquired | 0 |  | (2,051,645)
Other acquisitions, net of cash acquired | 0 |  | (45,550)
Cash payments related to acquisitions and other | (81,988) |  | 0
Capital expenditures | (58,120) |  | (56,741)
Decrease in restricted cash | 0 |  | 57,550
Cash proceeds from divestitures, net | 307,165 |  | 0
Sales of marketable securities, net | 1,191 |  | 1,557
Repayments from joint ventures | 0 |  | 2,156
Net cash provided by (used in) investing activities | 168,248 |  | (2,092,673)
Cash flows from financing activities: |  |  |
Repayments of long-term debt | (331,595) |  | (1,326,263)
Proceeds from borrowings of long-term debt | 0 |  | 1,000,000
Other borrowings, net | 68,829 |  | 167,571
Dividends paid to shareholders | (32,541) |  | (21,730)
Proceeds from exercise of stock options | 0 |  | 90
Excess tax benefits realized from stock-based compensation arrangements | 0 |  | 23
Withholding taxes paid on stock-based compensation award distributions | (1,969) |  | (1,174)
Debt financing costs | 0 |  | (1,164)
Net cash used in financing activities | (297,276) |  | (182,647)
Net effect of foreign exchange on cash and cash equivalents | (5,032) |  | 1,182
Increase (decrease) in cash and cash equivalents | 38,648 |  | (2,228,347)
Cash and cash equivalents at end of period | $ 252,382 |  | $ 261,421
[1] | See Note 3, “Divestitures.”

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- Definition The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3255-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition The net cash inflow or outflow in other borrowings not otherwise defined in the taxonomy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3255-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=51664549&loc=SL4569616-111683 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4K -URI http://asc.fasb.org/extlink&oid=35736750&loc=SL4591552-111686 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (a),(c) -URI http://asc.fasb.org/extlink&oid=18733093&loc=SL4573702-111684 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4J -URI http://asc.fasb.org/extlink&oid=35736750&loc=SL4591551-111686 + Details
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- Definition The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 + Details
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- Definition The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of investments, not including unrealized gains or losses on securities separately or otherwise categorized as trading, available-for-sale, or held-to-maturity, held at each balance sheet date and included in earnings for the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 + Details
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