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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2013 | Mar. 31, 2012
Cash flows from operating activities: |  |
Net income (loss) | $ 212,745 | $ (16,045)
Adjustments to reconcile net income (loss) to net cash provided by operating activities: |  |
Depreciation and amortization | 34,198 | 32,112
Allowance for doubtful accounts | 305 | 90
Amortization of deferred financing costs | 747 | 1,910
Amortization of original issue discount | 21 | 133
Amortization of original issue premium |  | (886)
Deferred income taxes | 21,397 | (5,309)
Loss on disposition of assets | 34 | 566
Loss on extinguishment of debt | 26,127 |
Share-based compensation | 6,019 | 4,036
Unrealized (gain) loss on derivatives, net | (32,489) | 128,167
Changes in assets and liabilities: |  |
Accounts receivable | (72,938) | (63,521)
Inventories | 2,965 | 46,114
Prepaid expenses and other current assets | (3,168) | (13,762)
Insurance receivable |  | (4)
Insurance proceeds on Coffeyville Refinery incident | 1,260 |
Other long-term assets | (78) | (114)
Accounts payable | (32,073) | 49,797
Due to parent | 66,376 |
Accrued income tax | (185) | (4,924)
Deferred revenue | 27,639 | 7,003
Other current liabilities | 19,470 | 21,184
Accrued environmental liabilities | (57) | (96)
Other long-term liabilities | (1) | (112)
Net cash provided by operating activities | 278,314 | 186,339
Cash flows from investing activities: |  |
Capital expenditures | (63,719) | (59,525)
Proceeds from sale of assets | 36 | 149
Net cash used in investing activities | (63,683) | (59,376)
Cash flows from financing activities: |  |
Payment of capital lease obligations | (271) | (245)
Payments on senior secured notes | (243,366) |
Payment of financing costs | (60) | (1,142)
Proceeds from CVR Refining's initial public offering, net of offering costs | 655,677 |
Dividend to CVR Energy's stockholders | (477,571) |
Distribution to CVR Partners' noncontrolling interest holders | (4,252) | (13,001)
Net cash used in financing activities | (69,843) | (14,388)
Net increase in cash and cash equivalents | 144,788 | 112,575
Cash and cash equivalents, beginning of period | 895,965 | 388,328
Cash and cash equivalents, end of period | 1,040,753 | 500,903
Supplemental disclosures: |  |
Cash paid for income taxes, net of refunds | 6,154 | 485
Cash paid for interest net of capitalized interest of $804 and $2,009 in 2013 and 2012, respectively | 12,758 | 2,420
Non-cash investing and financing activities: |  |
Accrual of construction in progress additions | $ (29,447) | $ (8,253)

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- Definition The cash outflow to return capital to noncontrolled interest, which generally occurs when noncontrolling shareholders reduce their ownership stake (in a subsidiary of the entity). This element does not include dividends paid to noncontrolling shareholders. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 20 -Subparagraph a -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 -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 3: 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 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3291-108585 + 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 derivative instruments, including options, swaps, futures, and forward contracts, 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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