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CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2009
CASH FLOWS FROM OPERATING ACTIVITIES: |  |  |
Net income (loss) | $ 11,325 | $ 59,971 | $ (205,982)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: |  |  |
Unrealized net loss (gain) on forward contracts | (750) | 10,030 | 11,956
Unrealized gain on contractual receivable | 0 | 0 | (81,557)
Realized benefit of contractual receivable | 0 | 55,703 | 26,025
Write-off of intangible asset | 0 | 0 | 23,759
Accrued and other plant curtailment costs - net | (13,928) | (56,010) | 9,940
Lower of cost or market inventory adjustment | 19,766 | (426) | (47,152)
Depreciation and amortization | 62,194 | 63,550 | 72,624
Debt discount amortization | 1,857 | 3,150 | 7,022
Deferred income taxes | 2,494 | 15,552 | 44,952
Pension and other postretirement benefits | (28,757) | 14,578 | 12,952
Stock-based compensation | 2,856 | 1,905 | 3,338
Non-cash loss on early extinguishment and modification of debt | 763 | 0 | 2,325
Non-cash loss from disposition of equity investments | 0 | 0 | 73,234
Non-cash contingent obligation | 0 | 13,091 | 0
Undistributed earnings of joint ventures | (3,445) | (3,558) | (5,038)
Change in operating assets and liabilities: |  |  |
Accounts receivable - net | (3,744) | (6,197) | 23,154
Sale of short-term trading securities | 0 | 0 | 13,686
Due from affiliates | 10,694 | (38,191) | 21,625
Inventories | (35,819) | (24,009) | 35,766
Prepaid and other current assets | (20,791) | 13,412 | 44,847
Accounts payable, trade | (904) | 11,674 | (17,596)
Due to affiliates | (3,477) | 12,685 | (11,961)
Accrued and other current liabilities | 425 | (1,758) | (15,448)
Other - net | (3,695) | (13,642) | (3,072)
Net cash provided by (used in) operating activities | (2,936) | 131,510 | 39,399
CASH FLOWS FROM INVESTING ACTIVITIES: |  |  |
Purchase of property, plant and equipment | (20,100) | (12,241) | (16,935)
Nordural expansion | (12,882) | (19,227) | (21,981)
Investments in and advances to joint ventures | (113) | (32) | (1,044)
Payment received on advances from joint ventures | 3,056 | 0 | 1,761
Proceeds from sale of property, plant and equipment | 1,471 | 823 | 0
Restricted and other cash deposits | 3,673 | 5,206 | (8,014)
Net cash used in investing activities | (24,895) | (25,471) | (46,213)
CASH FLOWS FROM FINANCING ACTIVITIES: |  |  |
Repayment of debt | (47,067) | 0 | 0
Repayment of contingent obligation | (189) | 0 | 0
Borrowings under revolving credit facility | 15,900 | 0 | 0
Repayments under revolving credit facility | (15,900) | 0 | (25,000)
Financing fees | 0 | 0 | (2,429)
Repurchase of common stock | (45,891) | 0 | 0
Issuance of common stock, net | 83 | 23 | 103,077
Net cash provided by (used in) financing activities | (93,064) | 23 | 75,648
CHANGE IN CASH AND CASH EQUIVALENTS | (120,895) | 106,062 | 68,834
Cash and cash equivalents, beginning of the period | 304,296 | 198,234 | 129,400
Cash and cash equivalents, end of the period | $ 183,401 | $ 304,296 | $ 198,234

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- Definition The increase (decrease) during the reporting period in the aggregate market value of equity or debt securities that are purchased and held principally for the purpose of selling them in the near future and benefiting from increases in prices. + 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=6943989&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3444-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 28 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 102 -Paragraph 8 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 115 -Paragraph 18 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition The cash outflow to pay off an obligation from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with either short term or long term maturity. + 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=6943989&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 18 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 20 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: 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 Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 28 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: 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=6943989&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 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 Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 28 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: 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=6943989&loc=d3e3602-108585 + Details
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