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Taxes | 9 Months Ended
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Jul. 31, 2014
Income Tax Disclosure [Abstract] |
Taxes | Taxes Effective Tax Rate The Company estimates its annual effective tax rate at the end of each fiscal quarter. The Company’s estimate takes into account estimations of annual pre-tax income, the geographic mix of pre-tax income and the Company’s interpretations of tax laws and possible outcomes of audits. The following table presents the provision for income taxes and the effective tax rates:
| Three Months Ended July 31, |  | Nine Months Ended July 31,
| 2014 |  | 2013 |  | 2014 |  | 2013
| (in thousands) |  | (in thousands)
Income before income taxes | $ | 70,771 |  |  | $ | 58,172 |  |  | $ | 210,014 |  |  | $ | 216,609 |
Provision (benefit) for income tax | $ | 5,115 |  |  | $ | 5,875 |  |  | $ | 13,345 |  |  | $ | 25,699 |
Effective tax rate | 7.2 | % |  | 10.1 | % |  | 6.4 | % |  | 11.9 | %
The Company’s effective tax rate for the three and nine months ended July 31, 2014 is lower than the statutory federal income tax rate of 35% primarily due to the lower tax rates applicable to its non-U.S. operations, U.S. federal and California research tax credits, settlements with U.S. and Taiwan tax authorities, and statutes of limitations lapses, partially offset by state taxes and non-deductible stock compensation. The effective tax rate decreased in the three months ended July 31, 2014, as compared to the same period in fiscal 2013, primarily due to statutes of limitations lapses that resulted in the recognition of an unrecognized tax benefit. The effective tax rate decreased in the nine months ended July 31, 2014, as compared to the same period in fiscal 2013, primarily due to the benefit of audit settlements with the Internal Revenue Service (IRS) and Taiwan in the first and second quarter of fiscal 2014, respectively, statutes of limitations lapses in the third quarter of fiscal 2014, and changes in geographical earnings mix, partially offset by the reinstatement of the research tax credit and the reversal of deferred taxes resulting from the merger of a foreign affiliate in the first quarter of fiscal 2013. The Company’s total gross unrecognized tax benefits at July 31, 2014 are $102.9 million exclusive of interest and penalties. If the total gross unrecognized tax benefits at July 31, 2014 were recognized in the future, approximately $99.3 million would decrease the effective tax rate. The timing of the resolution of income tax examinations is highly uncertain as well as the amounts and timing of various tax payments that are part of the settlement process. This could cause large fluctuations in the balance sheet classification of current and non-current assets and liabilities. The Company believes that in the coming 12 months, it is reasonably possible that either certain audits will conclude or the statute of limitations on certain state and foreign income and withholding taxes will expire, or both. Given the uncertainty as to ultimate settlement terms, the timing of payment and the impact of such settlements on other uncertain tax positions, the range of the estimated potential decrease in underlying unrecognized tax benefits is between $0 and $23 million. IRS Examinations On November 6, 2013, the Company reached final settlement with the IRS on the remaining fiscal 2012 issues and recognized approximately $10 million in unrecognized tax benefits in the first quarter of fiscal 2014. Non-U.S. Examinations On February 11, 2014 and April 1, 2014 the Company reached settlements with the Taiwan tax authorities for fiscal 2010 and 2009, respectively, with regard to certain transfer pricing issues. As a result of the settlements and the application of the settlement to other open fiscal years, the Company’s unrecognized tax benefits decreased by $5.1 million. The net tax benefit resulting from the settlements and the application to other open fiscal years was $3.9 million.

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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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