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Income Taxes | 3 Months Ended
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Mar. 31, 2015
Income Taxes | (10) Income Taxes The Company and its subsidiaries conduct business in the U.S. and various foreign countries and are subject to taxation in numerous domestic and foreign jurisdictions. As a result of its business activities, the Company files tax returns that are subject to examination by various federal, state and local, and foreign tax authorities. With few exceptions, the Company is no longer subject to U.S. federal, state and local, or foreign income tax examination by tax authorities for years before 2011. However, due to its use of state net operating loss (“NOL”) and federal tax credit carryovers in the U.S., U.S. tax authorities may attempt to reduce or fully offset the amount of state NOL or federal tax credit carryovers from tax years ended in 2007 and forward that were used in later tax years. The Company’s major foreign tax jurisdictions and tax years that remain subject to examination are Germany for tax years 2013 forward, Poland and China for tax years 2010 forward, Spain for tax years 2011 forward, and the United Kingdom for tax years 2013 forward. The Company settled a tax examination in Germany for years 2009 to 2012 in the first quarter of 2015 without a material assessment. The Company is currently under tax examination in the United States for tax years 2011 and 2012. To date, these audits have not resulted in any material assessments. As of March 31, 2015, the Company had unrecognized tax benefits of $2.7 million, which are recorded in other long-term liabilities. If recognized, $1.9 million of these unrecognized tax benefits would impact the effective tax rate. The Company recognizes estimated accrued interest related to unrecognized income tax benefits in the provision for income tax accounts. Penalties relating to income taxes, if incurred, would also be recognized as a component of the Company’s provision for income taxes. Over the next 12 months, the amount of the Company’s liability for unrecognized tax benefits is not expected to change by a material amount. As of March 31, 2015, the amount of cumulative accrued interest expense on unrecognized income tax benefits was approximately $0.4 million. The following table summarizes the Company’s deferred tax assets, net of deferred tax liabilities and valuation allowance (in thousands), as of:
|  | March 31, |  |  | December 31, |
|  | 2015 |  |  | 2014 |
Deferred tax assets, net of deferred tax liabilities |  | $ | 14,707 |  |  | $ | 19,321 |
Valuation allowance |  |  | (2,332 | ) |  |  | (2,311 | )
Deferred tax assets, net of deferred tax liabilities and valuation allowance |  | $ | 12,375 |  |  | $ | 17,010 |
The valuation allowance as of March 31, 2015 and December 31, 2014 primarily relates to certain foreign net operating loss carryforward and foreign tax credit carryforward tax assets. The Company has determined that there is insufficient positive evidence that it is more likely than not that such deferred tax assets will be realized. The Company has estimated its annual effective tax rate for the full fiscal year 2015 and applied that rate to its income before income taxes in determining its provision for income taxes for the three months ended March 31, 2015. The Company also records discrete items in each respective period as appropriate. The estimated effective tax rate is subject to fluctuation based upon the level and mix of earnings and losses by tax jurisdiction, foreign tax rate differentials, and the relative impact of permanent book to tax differences (e.g., non-deductible expenses). Each quarter, a cumulative adjustment is recorded for any fluctuations in the estimated annual effective tax rate as compared to the prior quarter. As a result of these factors, and due to potential changes in the Company’s period to period results, fluctuations in the Company’s effective tax rate and respective tax provisions or benefits may occur. For the three months ended March 31, 2015, the Company recorded a provision for income taxes of $6.9 million that resulted in an effective tax rate of 25.3%, as compared to a benefit from income taxes of $2.9 million that resulted in an effective tax rate of 31.2% for the three months ended March 31, 2014. The change in the effective tax rate in 2015 is mainly due to changes in the forecasted overall income or loss amounts for 2015 and a change in the expected proportion of U.S. versus foreign income. Except as discussed below, the Company intends to indefinitely reinvest its undistributed earnings of all of its foreign subsidiaries. Therefore, the annualized effective tax rate applied to the Company’s pre-tax income does not include any provision for U.S. federal and state income taxes on the amount of the undistributed foreign earnings. U.S. federal tax laws, however, require the Company to include in its U.S. taxable income certain investment income earned outside of the U.S. in excess of certain limits (“Subpart F deemed dividends”). Because Subpart F deemed dividends are already required to be recognized in the Company’s U.S. federal income tax return, the Company regularly repatriates Subpart F deemed dividends to the U.S. and no additional tax is incurred on the distribution. As of March 31, 2015 and December 31, 2014, the amount of cash and cash equivalents and short-term investments held by U.S. entities was $160.4 million and $139.1 million, respectively, and by non-U.S. entities was $231.4 million and $206.4 million, respectively. If the cash and cash equivalents and short-term investments held by non-U.S. entities were to be repatriated to the U.S., the Company would generate U.S. taxable income to the extent of the Company’s undistributed foreign earnings, which amounted to $201.7 million at December 31, 2014. Although the tax impact of repatriating these earnings is difficult to determine, the Company would not expect the maximum effective tax rate that would be applicable to such repatriation to exceed the U.S. statutory rate of 35.0%, after considering applicable foreign tax credits. In determining the Company’s provision or benefit for income taxes, net deferred tax assets, liabilities, and valuation allowances, management is required to make judgments and estimates related to projections of domestic and foreign profitability, the timing and extent of the utilization of net operating loss carryforwards, applicable tax rates, transfer pricing methods, and prudent and feasible tax planning strategies. As a multinational company, the Company is required to calculate and provide for estimated income tax liabilities for each of the tax jurisdictions in which it operates. This process involves estimating current tax obligations and exposures in each jurisdiction, as well as making judgments regarding the future recoverability of deferred tax assets. Changes in the estimated level of annual pre-tax income, changes in tax laws, particularly changes related to the utilization of net operating losses in various jurisdictions, and changes resulting from tax audits can all affect the overall effective income tax rate which, in turn, impacts the overall level of income tax expense or benefit and net income. Judgments and estimates related to the Company’s projections and assumptions are inherently uncertain; therefore, actual results could differ materially from projections. The timing and manner in which the Company will use net operating loss carryforward tax assets, research and development tax credit carryforward tax assets, alternative minimum tax credit carryforward tax assets, and foreign tax credit carryforward tax assets in any year, or in total, may be limited by provisions of the Internal Revenue Code regarding changes in the Company’s ownership. Currently, the Company expects to use the tax assets, subject to Internal Revenue Code limitations, within the carryforward periods. Valuation allowances have been established where the Company has concluded that it is more likely than not that such deferred tax assets are not realizable. If the Company is unable to sustain profitability in future periods, it may be required to increase the valuation allowance against the deferred tax assets, which could result in a charge that would materially adversely affect net income in the period in which the charge is incurred.

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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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