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Income Taxes | 9 Months Ended
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Mar. 31, 2021
Income Taxes [Abstract] |
Income Taxes | (6) Income Taxes In accordance with ASC 740 Income Taxes, each interim reporting period is considered integral to the annual period, and tax expense is measured using an estimated annual effective tax rate. An entity is required to record income tax expense each quarter based on its annual effective tax rate estimated for the full fiscal year and use that rate to provide for income taxes on a current year-to-date basis, adjusted for discrete taxable events that occur during the interim period. Our income tax returns are based on calculations and assumptions subject to audit by various tax authorities. In addition, the calculation of our tax liabilities involves dealing with uncertainties in the application of complex tax laws. We regularly assess the potential outcomes of examinations by tax authorities in determining the adequacy of our provision for income taxes. Any final assessment resulting from tax audits may result in material changes to our past or future taxable income, tax payable or deferred tax assets, and may require us to pay penalties and interest that could materially adversely affect our financial results. Our effective income tax rate for the three and nine months ended March 31, 2021 was 136.0% and 56.6%, respectively, as compared to 14.9% and 14.8% for the three and nine months ended March 31, 2020, respectively. The increase in our effective tax rate was primarily due to an increase in unrecognized tax benefits as outlined below. Additionally, the increase in our effective tax rate was impacted by the geographic mix of earnings and lower windfall tax benefits related to the vesting or settlement of employee share-based awards, which reduced our income tax expense by $0.6 million and $12.6 million for the three and nine months ended March 31, 2021, respectively, as compared to $2.4 million and $24.8 million for the three and nine months ended March 31, 2020, respectively. We are under audit by the Australian Taxation Office (the “ATO”) for the years 2009 to 2018 (the “Audit Period”). The audits primarily involve a transfer pricing dispute in which the ATO asserts we should have paid additional Australian taxes on income derived from our Singapore operations. The ATO issued Notices of Amended Assessments for the tax years 2009 to 2013 seeking a total of $266.0 million, consisting of $151.7 million in additional income tax and $114.3 million in penalties and interest. The 2014 to 2018 periods are still under audit and we have not yet received any Notices of Amended Assessments relative to those periods. A total of $98.8 million in tax has been prepaid in relation to the Audit Period, which is consistent with ATO procedural audit practice. We do not agree with the ATO’s assessments and continue to believe we are more likely than not to be successful in defending our position if the matter progresses to litigation. However, if we are not successful, we will be required to pay some or all of the additional income tax, accrued interest and penalties, including potential additional amounts relating to the 2014 to 2018 periods. To that end, we are engaged in ongoing discussions with the ATO to resolve the dispute for the entire Audit Period. Given the stage of those discussions, during the three and nine months ended March 31, 2021, we recorded $395.9 million of gross unrecognized tax benefits, including $53.3 million of accrued interest and penalties, associated with the ATO audits for the Audit Period. This amount reflects our estimate of the potential tax liability and is subject to change. If recognized, we estimate that approximately $254.8 million, of unrecognized tax benefits would affect our effective tax rate, which represents the $395.9 million of gross unrecognized tax benefits noted previously, adjusted for tax credits and deductions of $141.1 million. We have elected to recognize interest and penalties related to unrecognized tax benefits as a component of income taxes. The timing and resolution of the ATO audits are inherently uncertain, and the amounts we might ultimately pay, if any, upon resolution of issues raised by the ATO may differ materially from the amounts accrued. Although it is expected that the amount of unrecognized tax benefits may change in the next 12 months, an estimate of the range of the possible change cannot be made.

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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/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 21 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32857-109319 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 11.C) -URI http://asc.fasb.org/extlink&oid=116825942&loc=d3e330215-122817 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 17 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32809-109319 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 6.I.5.Q1) -URI http://asc.fasb.org/extlink&oid=116825942&loc=d3e330036-122817 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32705-109319 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 270 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6424409&loc=d3e44925-109338 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -URI http://asc.fasb.org/topic&trid=2144680 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6424122&loc=d3e41874-109331 + Details
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