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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Sep. 30, 2017 | Sep. 30, 2016
CASH FLOWS FROM OPERATING ACTIVITIES: |  |
Net income (loss) | $ 12,775 | $ (83,951)
Adjustments to reconcile net loss to net cash provided by operating activities: |  |
Unrealized loss on forward and derivative contracts | 6,918 | (330)
Unrealized gain on contingent obligation | (1,059) | (1,059)
Lower of cost or NRV inventory adjustment | (4,102) | 1,499
Depreciation and amortization | 63,091 | 63,306
Ravenswood (gains) losses | (5,500) | 3,830
Pension and other postretirement benefits | 2,292 | 1,682
Deferred income taxes | 724 | (8,520)
Stock-based compensation | 1,455 | 1,134
Equity in earnings of joint ventures, net of dividends | (359) | (891)
Change in operating assets and liabilities: |  |
Accounts receivable - net | (27,935) | (1,712)
Due from affiliates | 4,802 | 3,146
Inventories | (24,091) | (1,265)
Prepaid and other current assets | 1,108 | 9,016
Accounts payable, trade | 4,571 | (5,028)
Due to affiliates | 1,523 | 4,628
Accrued and other current liabilities | 9,252 | 4,769
Ravenswood retiree medical settlement | (5,000) | 23,000
Other - net | 10,202 | 2,073
Net cash provided by operating activities | 50,667 | 15,327
CASH FLOWS FROM INVESTING ACTIVITIES: |  |
Purchase of property, plant and equipment | (23,590) | (13,127)
Proceeds from sales of property, plant & equipment | 14,452 | 0
Net cash used in investing activities | (9,138) | (13,127)
CASH FLOWS FROM FINANCING ACTIVITIES: |  |
Borrowings under revolving credit facilities | 1,022 | 900
Repayments under revolving credit facilities | (1,022) | (900)
Issuance of common stock | 281 | 0
Net cash provided by financing activities | 281 | 0
CHANGE IN CASH AND CASH EQUIVALENTS | 41,810 | 2,200
Cash and cash equivalents, beginning of period | 132,403 | 115,393
Cash and cash equivalents, end of period | $ 174,213 | $ 117,593

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- Definition The net change in the difference between the fair value and the carrying value on the contingent obligation held at each balance sheet date, that was included in earnings for the period. + References No definition available. + Details
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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=82887183&loc=d3e6676-107765 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3044-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount of increase (decrease) in cash and cash equivalents. Cash and cash equivalents are the amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Includes effect from exchange rate changes. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3521-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 230 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=98513438&loc=d3e33268-110906 + Details
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- Definition Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3521-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3536-108585 + 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 open agreements to purchase or sell mineral resources, energy, and agricultural products at some future point held at each balance sheet date, that was 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=98514028&loc=d3e3602-108585 + Details
Name: | us-gaap_UnrealizedGainLossOnCommodityContracts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration