Income Taxes	3 Months Ended
Jan. 26, 2013
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes In general, the Company’s provision for income taxes differs from the tax computed at the U.S. federal statutory income tax rate due to state taxes, the effect of non-U.S. operations, non-deductible stock-based compensation expense and adjustments to unrecognized tax benefits. For the three months ended January 26, 2013, the Company recorded an income tax expense of $88.2 million. The tax reported for this period was primarily due to a discrete charge of $78.2 million to reduce our previously recognized California deferred tax assets, partially offset by a discrete benefit from an increase in the federal research and development tax credit of $5.7 million which was reinstated on January 2, 2013 for two years, and made retroactive to January 1, 2012. The discrete charge is as a result of the passage of Proposition 39 which revised certain provisions of the California State Tax Code, requiring mandatory single sales factor apportionment in California for most multi-state taxpayers for tax years beginning on or after January 1, 2013. We currently expect that in fiscal year 2013 and beyond, our income subject to tax in California will be lower than under prior tax law and that our California deferred tax assets are, therefore, less likely to be realized. This charge will not impact cash tax outlays and conformance to the new law is not expected to have a material impact on our future tax provision. For the three months ended January 28, 2012, the Company recorded an income tax benefit of $3.2 million, primarily due to a discrete benefit from net reserve releases related to settling tax audits and from expiring statutes of limitations, offset by a decrease to the federal research and development tax credit which expired on December 31, 2011 and, therefore, was inapplicable in 2012. The total amount of unrecognized tax benefits of $89.4 million, net of federal benefit, as of January 26, 2013 would affect the Company’s effective tax rate, if recognized. Although the timing of the closure of audits is highly uncertain, it is reasonably possible that the balance of unrecognized tax benefits could significantly change during the remainder of fiscal year 2013. The IRS and other tax authorities regularly examine our income tax returns. The IRS is currently examining fiscal years 2009 and 2010. In addition, the IRS has also examined our income tax returns for fiscal years 2007 and 2008, and in May 2011, we received the IRS revenue agent’s report. The IRS is contesting our transfer pricing for the cost sharing and buy-in arrangements with our foreign subsidiaries. The IRS’ proposed adjustment would offset approximately $317.4 million of our net operating loss carryforwards. We have filed a protest to appeal the amount of proposed adjustments in the Revenue Agent’s Report with the Appeals Office of the IRS. We believe we have sufficient reserves recorded for the ultimate settlement of this issue. Furthermore, we are in negotiations with foreign tax authorities to obtain correlative relief on transfer pricing adjustments previously settled with the IRS. We believe that our reserves for unrecognized tax benefits are adequate for all open tax years. The timing of income tax examinations, as well as the amounts and timing of related settlements, if any, are highly uncertain. We believe that before the end of fiscal year 2013, it is reasonably possible that either certain audits will conclude or the statutes of limitations relating to certain income tax examination periods will expire, or both. After we reach settlement with the tax authorities, we expect to record a corresponding adjustment to our unrecognized tax benefits. Taking into consideration the inherent uncertainty as to settlement terms, the timing of payments and the impact of such settlements on other uncertain tax positions, we estimate the range of potential decreases in underlying uncertain tax positions is between $0 and $25.0 million in the next twelve months. We believe that sufficient positive evidence exists from historical operations and projections of taxable income in future years to conclude that it is more likely than not that we will realize our deferred tax assets except for California deferred tax assets and capital loss carryforwards. Accordingly, we apply a valuation allowance to the California deferred tax assets due to the recent change in California law and to capital loss carryforwards due to the limited carryforward periods of these tax assets.

Income Taxes

In general, the Company’s provision for income taxes differs from the tax computed at the U.S. federal statutory income tax rate due to state taxes, the effect of non-U.S. operations, non-deductible stock-based compensation expense and adjustments to unrecognized tax benefits.

For the three months ended January 26, 2013, the Company recorded an income tax expense of $88.2 million. The tax reported for this period was primarily due to a discrete charge of $78.2 million to reduce our previously recognized California deferred tax assets, partially offset by a discrete benefit from an increase in the federal research and development tax credit of $5.7 million which was reinstated on January 2, 2013 for two years, and made retroactive to January 1, 2012. The discrete charge is as a result of the passage of Proposition 39 which revised certain provisions of the California State Tax Code, requiring mandatory single sales factor apportionment in California for most multi-state taxpayers for tax years beginning on or after January 1, 2013. We currently expect that in fiscal year 2013 and beyond, our income subject to tax in California will be lower than under prior tax law and that our California deferred tax assets are, therefore, less likely to be realized. This charge will not impact cash tax outlays and conformance to the new law is not expected to have a material impact on our future tax provision.

For the three months ended January 28, 2012, the Company recorded an income tax benefit of $3.2 million, primarily due to a discrete benefit from net reserve releases related to settling tax audits and from expiring statutes of limitations, offset by a decrease to the federal research and development tax credit which expired on December 31, 2011 and, therefore, was inapplicable in 2012.

The total amount of unrecognized tax benefits of $89.4 million, net of federal benefit, as of January 26, 2013 would affect the Company’s effective tax rate, if recognized. Although the timing of the closure of audits is highly uncertain, it is reasonably possible that the balance of unrecognized tax benefits could significantly change during the remainder of fiscal year 2013.

The IRS and other tax authorities regularly examine our income tax returns. The IRS is currently examining fiscal years 2009 and 2010. In addition, the IRS has also examined our income tax returns for fiscal years 2007 and 2008, and in May 2011, we received the IRS revenue agent’s report. The IRS is contesting our transfer pricing for the cost sharing and buy-in arrangements with our foreign subsidiaries. The IRS’ proposed adjustment would offset approximately $317.4 million of our net operating loss carryforwards. We have filed a protest to appeal the amount of proposed adjustments in the Revenue Agent’s Report with the Appeals Office of the IRS. We believe we have sufficient reserves recorded for the ultimate settlement of this issue. Furthermore, we are in negotiations with foreign tax authorities to obtain correlative relief on transfer pricing adjustments previously settled with the IRS. We believe that our reserves for unrecognized tax benefits are adequate for all open tax years. The timing of income tax examinations, as well as the amounts and timing of related settlements, if any, are highly uncertain. We believe that before the end of fiscal year 2013, it is reasonably possible that either certain audits will conclude or the statutes of limitations relating to certain income tax examination periods will expire, or both. After we reach settlement with the tax authorities, we expect to record a corresponding adjustment to our unrecognized tax benefits. Taking into consideration the inherent uncertainty as to settlement terms, the timing of payments and the impact of such settlements on other uncertain tax positions, we estimate the range of potential decreases in underlying uncertain tax positions is between $0 and $25.0 million in the next twelve months.

We believe that sufficient positive evidence exists from historical operations and projections of taxable income in future years to conclude that it is more likely than not that we will realize our deferred tax assets except for California deferred tax assets and capital loss carryforwards. Accordingly, we apply a valuation allowance to the California deferred tax assets due to the recent change in California law and to capital loss carryforwards due to the limited carryforward periods of these tax assets.