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Income Taxes | 6 Months Ended
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Jun. 28, 2019
Income Tax Disclosure [Abstract] |
Income Taxes | INCOME TAXES The Company reported the following operating results for the periods presented (in thousands):
| Three months ended |  | Six months ended
| June 28, 2019 |  | June 29, 2018 |  | June 28, 2019 |  | June 29, 2018
Loss before income taxes | $ | (11,148 | ) |  | $ | (2,022 | ) |  | $ | (22,773 | ) |  | $ | (14,638 | )
Provision for (benefit from) income taxes | 697 |  |  | 891 |  |  | 378 |  |  | 1,969 |
Effective income tax rate | (6.3 | )% |  | (44.1 | )% |  | (1.7 | )% |  | (13.5 | )%
The Company operates in multiple jurisdictions and its profits are taxed pursuant to the tax laws of these jurisdictions. The Company’s effective income tax rate may be affected by changes in, or interpretations of tax laws and tax agreements in any given jurisdiction, utilization of net operating loss and tax credit carry forwards, changes in geographical mix of income and expense, and changes in management’s assessment of matters such as the ability to realize deferred tax assets. The Company’s effective tax rate varies from year to year primarily due to the absence of several onetime, discrete items that benefited or decremented the tax rates in the previous years. The Company's effective income tax rate of (1.7)% for the six months ended June 28, 2019 was different from the U.S. federal statutory rate of 21%, primarily due to geographical mix of income and losses, full valuation allowance against U.S. federal, California and other states deferred tax assets, foreign withholding taxes and income taxes on earnings from operations in foreign tax jurisdictions. In addition, during the six months ended June 28, 2019, the Company recorded a one-time benefit of approximately $0.8 million due to a valuation allowance release for one of its foreign subsidiaries. This release of valuation allowance was due to changes in forecasted taxable income resulting from the Company receiving a favorable tax ruling during the quarter. The Company's effective income tax rate of (13.5)% for the six months ended June 29, 2018 was different from the U.S. federal statutory rate of 21%, primarily due to the Company’s geographical income mix and favorable tax rates associated with certain earnings from operations in lower-tax jurisdictions, the increase in the valuation allowance against U.S. federal, California and other state deferred tax assets, detriment from non-deductible stock-based compensation, and the net of various discrete tax adjustments. For the six months ended June 29, 2018, the discrete adjustments to the Company's tax expense were primarily withholding taxes. The Company files U.S. federal and state, and foreign income tax returns in jurisdictions with varying statutes of limitations during which such tax returns may be audited and adjusted by the relevant tax authorities. The 2015 through 2018 tax years generally remain subject to examination by U.S. federal and most state tax authorities. In significant foreign jurisdictions, the 2013 through 2018 tax years generally remain subject to examination by their respective tax authorities. If, upon the conclusion of an audit, the ultimate determination of taxes owed in the jurisdictions under audit is for an amount in excess of the tax provision the Company has recorded in the applicable period, the Company’s overall tax expense, effective tax rate, operating results and cash flow could be materially and adversely impacted in the period of adjustment. On July 27, 2015, the U.S. Tax Court issued an opinion in Altera Corp. v. Commissioner, 145 T.C. No.3 (2015) related to the treatment of stock-based compensation expense in an intercompany cost-sharing arrangement. A final decision was entered by the U.S. Tax Court on December 1, 2015 (the “2015 Decision”). On February 19, 2016, the U.S. Internal Revenue Service filed a notice of appeal in Altera Corp. v. Commissioner, 145 T.C. No. 3 (2015), to the Ninth Circuit Court of Appeals. The Ninth Circuit was to decide whether a regulation that mandates that stock-based compensation costs related to the intangible development activity of a qualified cost sharing arrangement (a “QCSA”) must be included in the joint cost pool of the QCSA (the “all costs rule”) is consistent with the arm’s length standard as set forth in Section 482 of the Internal Revenue Code. On June 7, 2019, the Ninth Circuit overturned the earlier Tax Court decision and ruled to include share-based compensation in the cost sharing pool. The company continues to include share-based compensation in the cost base consistent with the Ninth Circuit’s ruling. As of June 28, 2019, the total amount of gross unrecognized tax benefits, including interest and penalties, was approximately $17.3 million, of which $16.0 million would affect the Company’s effective tax rate if the benefits are eventually recognized, subject to valuation allowance considerations. The Company recognizes interest and penalties related to unrecognized tax positions in income tax expense. The Company had $25 thousand of gross interest and penalties accrued as of June 28, 2019. The Company will continue to review its tax positions and provide for, or reverse, unrecognized tax benefits as issues arise. For the six months ended June 28, 2019, the Company released $0.7 million of unrecognized tax benefits due to closures of tax audits in foreign jurisdictions.

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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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