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CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2016 | Mar. 31, 2015
CASH FLOWS FROM OPERATING ACTIVITIES: |  |
Net income (loss) | $ (16,163) | $ 73,779
Adjustments to reconcile net income (loss) to net cash provided by operating activities: |  |
Unrealized gain on fair value of contingent consideration | 0 | (6,527)
Unrealized gain on E.ON contingent obligation | (353) | (353)
Lower of cost or market inventory adjustment | (5,784) | 0
Depreciation and amortization | 21,260 | 18,131
Pension and other postretirement benefits | 632 | (984)
Deferred income taxes | (3,587) | 8,851
Stock-based compensation | 321 | 405
Equity in earnings of joint ventures | (357) | (510)
Change in operating assets and liabilities: |  |
Accounts receivable - net | (3,193) | 72,702
Due from affiliates | 1,939 | (53,559)
Inventories | 17,648 | (14,335)
Prepaid and other current assets | 14,290 | 5,960
Accounts payable, trade | (5,983) | (18,508)
Due to affiliates | (5,372) | 27,773
Accrued and other current liabilities | 1,253 | 2,874
Other - net | (1,648) | 568
Net cash provided by operating activities | 14,903 | 116,267
CASH FLOWS FROM INVESTING ACTIVITIES: |  |
Purchase of property, plant and equipment | (3,835) | (12,627)
Restricted and other cash deposits | 0 | (21,012)
Net cash used in investing activities | (3,835) | (33,639)
CASH FLOWS FROM FINANCING ACTIVITIES: |  |
Borrowings under revolving credit facilities | 371 | 455
Repayments under revolving credit facilities | (371) | (455)
Repurchase of common stock | 0 | (19,439)
Net cash used in financing activities | 0 | (19,439)
CHANGE IN CASH AND CASH EQUIVALENTS | 11,068 | 63,189
Cash and cash equivalents, beginning of period | 115,393 | 163,242
Cash and cash equivalents, end of period | $ 126,461 | $ 226,431

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- Definition The revenues and gains recognized recorded for each transaction with the acquiree that is recognized separately from the acquisition of assets and assumptions of liabilities in the business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(3) -URI http://asc.fasb.org/extlink&oid=56956515&loc=d3e1392-128463 + Details
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- Definition Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements. + 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 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(f)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + 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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