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Income Taxes | 9 Months Ended
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Sep. 30, 2015
Income Tax Disclosure [Abstract] |
Income Taxes | 11. INCOME TAXES The determination of the annual effective tax is based upon a number of significant estimates and judgments, including the estimated annual pretax income in each tax jurisdiction in which we operate and the ongoing development of tax planning strategies during the year. In addition, our provision for income taxes can be impacted by changes in tax rates or laws, the finalization of tax audits and reviews, as well as other factors that cannot be predicted with certainty. As such, there can be significant volatility in interim tax provisions. The following is a summary of our provision for (benefit from) income taxes and effective tax rate from continuing operations:
|  | For the Quarter Ended September 30, |  |  | For the Year to Date Ended September 30, |
|  | 2015 |  |  | 2014 |  |  | 2015 |  |  | 2014 |
Pretax loss |  | $ | (11,485 | ) |  | $ | (31,651 | ) |  | $ | (46,693 | ) |  | $ | (64,757 | )
Provision for (benefit from) income taxes |  | $ | 35 |  |  | $ | 1,116 |  |  | $ | (923 | ) |  | $ | 3,190 |
Effective rate |  |  | 0.3 | % |  |  | 3.5 | % |  |  | -2.0 | % |  |  | 4.9 | %
As of December 31, 2014, we reported a total deferred tax valuation allowance of $150.4 million within our consolidated balance sheet. After considering both positive and negative evidence related to the likelihood of realization of the deferred tax assets, we have determined that it is necessary to continue to record this valuation allowance against our net deferred tax assets as of September 30, 2015. We recorded an effective tax provision for the quarter ended September 30, 2015 of less than $0.1 million and an effective tax benefit of $0.9 million for the year to date ended September 30, 2015. The change in the federal and state valuation allowances impacted the effective tax rate benefit by 39.9% for the current year to date. The current quarter tax rate was also impacted by nominal uncertain tax position activity, the net effect of which resulted in a 0.3% effective tax rate. We estimate that it is reasonably possible that the gross liability for unrecognized tax benefits for a variety of uncertain tax positions will decrease by up to $1.8 million in the next twelve months as a result of the completion of various state tax audits currently in process and the expiration of the statute of limitations in several jurisdictions. The income tax rate for the quarter ended September 30, 2015 does not take into account the possible reduction of the liability for unrecognized tax benefits. The impact of a reduction to the liability will be treated as a discrete item in the period the reduction occurs. We recognize interest and penalties related to unrecognized tax benefits in tax expense. As of September 30, 2015, we had accrued $2.6 million as an estimate for reasonably possible interest and accrued penalties. Our tax returns are routinely examined by federal, state, local and foreign tax authorities and these audits are at various stages of completion at any given time. The Internal Revenue Service completed its examination of our U.S. income tax returns through our tax year ended December 31, 2012.

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- Definition The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information. + References Reference 1: 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.(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32559-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 + Details
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