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Income Taxes | 9 Months Ended
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Sep. 30, 2013
Income Tax Disclosure [Abstract] |
Income Taxes |
R. | Our effective tax rate was 25 percent for the three months and nine months ended September 30, 2013 primarily due to the decrease in the valuation allowance resulting from the partial utilization of our U.S. Federal net operating loss carryforward. The effective tax rate for the nine months ended September 30, 2013 includes a $12 million state income tax benefit on uncertain tax positions primarily due to the expiration of applicable statutes of limitation.
The effective tax rate was 55 percent for the nine months ending September 30, 2012 primarily due to losses in certain jurisdictions providing no tax benefit and an increase in the valuation allowance related to net operating losses. This effective tax rate includes a $21 million state income tax benefit on uncertain tax positions primarily due to the expiration of applicable statutes of limitation and certain audit closings. As a result of expirations of applicable statutes of limitations in various jurisdictions expected to transpire or occur within the next 12 months, the Company anticipates that it is reasonably possible that the liability for uncertain tax positions could be reduced by approximately $3 million. The accounting guidance for income taxes requires that the future realization of deferred tax assets depends on the existence of sufficient taxable income in future periods. Possible sources of taxable income include taxable income in carryback periods, the future reversal of existing taxable temporary differences recorded as a deferred tax liability, tax-planning strategies that generate future income or gains in excess of anticipated losses in the carryforward period and projected future taxable income. If, based upon all available evidence, both positive and negative, it is more likely than not (more than 50 percent likely) such deferred tax assets will not be realized, a valuation allowance is recorded. Significant weight is given to positive and negative evidence that is objectively verifiable. A company’s three-year cumulative loss position is significant negative evidence in considering whether deferred tax assets are realizable and the accounting guidance restricts the amount of reliance that can be placed on projected taxable income to support the recovery of the deferred tax assets. In the fourth quarter of 2010, we recorded a $372 million valuation allowance against our U.S. Federal deferred tax assets as a non-cash charge to income tax expense. In reaching this conclusion, we considered the weaker retail sales of certain of our building products and the slower than anticipated recovery in the U.S. housing market which led to U.S. operating losses and significant U.S. goodwill impairment charges, that primarily occurred in the fourth quarter of 2010, causing us to be in a three-year cumulative U.S. loss position. During 2012 and 2011, objective and verifiable negative evidence, such as U.S. operating losses and significant impairment charges for U.S. goodwill in 2011 and other intangible assets, continued to outweigh positive evidence necessary to reduce the valuation allowance. As a result, we recorded increases of $65 million and $89 million in the valuation allowance related to our U.S. Federal deferred tax assets as a non-cash charge to income tax expense in 2012 and 2011, respectively. A return to sustainable profitability in the U.S. is required before we would change our judgment regarding the need for a valuation allowance against our deferred tax assets. Although the recent strengthening in new home construction activity has resulted in profitability in the Company’s U.S. operations in 2013, we continue to record a full valuation allowance against the U.S. Federal deferred tax assets as the Company is expected to remain in a three-year cumulative loss position throughout 2013. It is reasonably possible that the continued improvements in our U.S. operations could result in the objective positive evidence necessary to warrant the reversal of all or a portion of the valuation allowance, up to approximately $600 million, as early as the fourth quarter of 2014. Until such time, the profits from our U.S. operations will be offset by the net operating loss carryforward resulting in a lower U.S. effective tax rate.

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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 740 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 Reference 2: 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 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Article 4 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 Reference 6: 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 + Details
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