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Income Taxes | 9 Months Ended
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Dec. 31, 2016
Income Tax Disclosure [Abstract] |
Income Taxes | Income Taxes In the quarter ended December 31, 2016, the Company determined that a small change in its estimated pretax results for the year ending March 31, 2017 would create a large change in its expected annual effective rate. Accordingly, it was determined that a reliable estimate of the expected annual effective tax rate could not be made. As a result, the Company computed its tax benefit using the cut-off method which resulted in an income tax benefit of $12 million and $92 million for the three and nine months ended December 31, 2016, respectively, based on the actual taxes attributable to its year-to-date earnings. This tax benefit is primarily related to the mix of the Company's pre-tax income (loss) generated across the various jurisdictions in which the Company operates in addition to the tax deductions generated by the Company's capital structure. In the quarter ended December 31, 2015, the Company determined that a small change in its estimated pretax results for the year ended March 31, 2016 would create a large change in its expected annual effective rate. Accordingly, it was determined that a reliable estimate of the expected annual effective tax rate could not be made. As a result, the Company computed its tax benefit using the cut-off method which resulted in an income tax benefit of $45 million for the three months ended December 31, 2015 based on the actual taxes attributable to its year-to-date losses. This tax benefit is primarily related to the mix of the Company's pre-tax income (loss) generated across the various jurisdictions in which the Company operates in addition to the tax deductions generated by the Company's capital structure. The Company's effective tax rate differs from the federal statutory rate, has changed from the prior period and could fluctuate significantly in the future, as the Company's effective tax rates are affected by many factors, including the overall level of pre-tax income, the mix of pre-tax income generated across the various jurisdictions in which the Company operates, changes in tax laws and regulations in those jurisdictions, changes in valuation allowances on its deferred tax assets, tax planning strategies available to the Company, and other discrete items.

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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=65882285&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=65882285&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=65882285&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=65882285&loc=d3e32537-109319 + Details
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