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Income Taxes | 6 Months Ended
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Mar. 31, 2019
Income Tax Disclosure [Abstract] |
Income Taxes | Income Taxes Our interim tax provision is determined using an estimated annual effective tax rate and adjusted for discrete taxable events that may occur during the quarter. We recognize the effects of tax legislation in the period in which the law is enacted. Our deferred tax assets and liabilities are remeasured using enacted tax rates expected to apply to taxable income in the years we estimate the related temporary differences to reverse. On December 22, 2017, the President of the United States signed and enacted comprehensive tax legislation into law H.R. 1, commonly referred to as the Tax Act. Except for certain provisions, the Tax Act is effective for tax years beginning on or after January 1, 2018. The tax rate for fiscal 2019 and future years was reduced to 21% from our blended 24.5% in fiscal 2018. In the first quarter of fiscal 2019 the measurement period related to the Tax Act concluded, which resulted in immaterial adjustments to our provisional estimates. In the first quarter of fiscal 2019, we revised our indefinite reinvestment assertions for prior years' earnings from certain foreign subsidiaries. This change did not have a material impact to our financial results. In foreign subsidiaries in which we are partially indefinitely reinvested, the gross taxable temporary difference between its accounting basis and tax basis is approximately $1.3 billion, for which there could be up to approximately $300 million of unrecognized tax liability. While the Tax Act provides for a modified territorial tax system, global intangible low-taxed income (“GILTI”) provisions are applied providing an incremental tax on foreign income. We have made an accounting policy election to treat taxes due under the GILTI provision as a current period expense.

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -URI http://asc.fasb.org/topic&trid=2144680 + Details
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