Income Taxes	6 Months Ended
Jun. 30, 2012
Income Taxes [Abstract]
Income Taxes	Note 9 – Income taxes We account for income taxes under the asset and liability method. Deferred tax assets and liabilities are recognized for the expected tax consequences of temporary differences between the tax bases of assets and liabilities and their reported amounts. Valuation allowances are established when necessary to reduce deferred tax assets to amounts which are more likely than not to be realized. We account for uncertainty in income taxes recognized in our financial statements using prescribed recognition thresholds and measurement attributes for financial statement disclosure of tax positions taken or expected to be taken on our tax returns. We had $21.3 million and $19.5 million of unrecognized tax benefits at June 30, 2012 and December 31, 2011, respectively, all of which would affect our effective income tax rate if recognized. We recorded a gross increase in unrecognized tax benefits of $1.7 million for the six month period ended June 30, 2012, as a result of tax positions taken during the period. We recorded a gross decrease in unrecognized tax benefits of $285,000 for the six month period ended June 30, 2012 related to settlements with taxing authorities. As of June 30, 2012, it is deemed reasonable that we will recognize tax benefits in the amount of $2.2 million in the next twelve months due to the closing of open tax years. The nature of the uncertainty with regard to the amount of the benefit we may recognize is related to deductions taken on returns that have not been examined by the applicable tax authority. Our continuing policy is to recognize interest and penalties related to income tax matters in income tax expense. As of June 30, 2012, we have approximately $1.1 million accrued for interest related to uncertain tax positions. The tax years 2005 through 2011 remain open to examination by the major taxing jurisdictions to which we are subject. Our provision for income taxes reflected an effective tax rate of 23% and 18% for the three month periods ended June 30, 2012 and 2011, respectively, and of 22% and 18% for the six month periods ended June 30, 2012 and 2011, respectively. For the three and six month periods ended June 30, 2012, our effective tax rate was lower than the U.S. federal statutory rate of 35% as a result of an enhanced deduction for certain research and development expenses and profits in foreign jurisdictions with reduced income tax rates. For the three and six month periods ended June 30, 2011, our effective tax rate was lower than the U.S. federal statutory rate of 35% as a result of a tax benefit from equity awards that do not ordinarily result in a tax benefit, an enhanced deduction for certain research and development expenses, profits in foreign jurisdictions with reduced income tax rates and the U.S. federal research and development credit. Our earnings in Hungary are subject to a statutory tax rate of 19%. The difference between this rate and the statutory U.S. rate of 35% resulted in income tax benefits of $3.1 million and $4.0 million for the three month periods ended June 30, 2012 and 2011, respectively, and $5.2 million and $7.4 million for the six month periods ended June 30, 2012 and 2011. No countries other than Hungary had a significant impact on our effective tax rate. We have not entered into any advanced pricing or other agreements with the Internal Revenue Service with regard to any foreign jurisdictions. The tax position of our Hungarian operation continues to benefit from assets created by the restructuring of our operations in Hungary. In addition, our research and development activities in Hungary continue to benefit from a tax law in Hungary that provides for an enhanced deduction for qualified research and development expenses. Partial release of the valuation allowance on assets from the restructuring and the enhanced tax deduction for research expenses resulted in income tax benefits of $4.6 million and $5.2 million for the three month periods ended June 30, 2012 and 2011, respectively, and $7.7 million and $9.9 million for the six month periods ended June 30, 2012 and 2011, respectively.

We account for income taxes under the asset and liability method. Deferred tax assets and liabilities are recognized for the expected tax consequences of temporary differences between the tax bases of assets and liabilities and their reported amounts. Valuation allowances are established when necessary to reduce deferred tax assets to amounts which are more likely than not to be realized.

We account for uncertainty in income taxes recognized in our financial statements using prescribed recognition thresholds and measurement attributes for financial statement disclosure of tax positions taken or expected to be taken on our tax returns. We had $21.3 million and $19.5 million of unrecognized tax benefits at June 30, 2012 and December 31, 2011, respectively, all of which would affect our effective income tax rate if recognized. We recorded a gross increase in unrecognized tax benefits of $1.7 million for the six month period ended June 30, 2012, as a result of tax positions taken during the period. We recorded a gross decrease in unrecognized tax benefits of $285,000 for the six month period ended June 30, 2012 related to settlements with taxing authorities. As of June 30, 2012, it is deemed reasonable that we will recognize tax benefits in the amount of $2.2 million in the next twelve months due to the closing of open tax years. The nature of the uncertainty with regard to the amount of the benefit we may recognize is related to deductions taken on returns that have not been examined by the applicable tax authority. Our continuing policy is to recognize interest and penalties related to income tax matters in income tax expense. As of June 30, 2012, we have approximately $1.1 million accrued for interest related to uncertain tax positions. The tax years 2005 through 2011 remain open to examination by the major taxing jurisdictions to which we are subject.

Our provision for income taxes reflected an effective tax rate of 23% and 18% for the three month periods ended June 30, 2012 and 2011, respectively, and of 22% and 18% for the six month periods ended June 30, 2012 and 2011, respectively. For the three and six month periods ended June 30, 2012, our effective tax rate was lower than the U.S. federal statutory rate of 35% as a result of an enhanced deduction for certain research and development expenses and profits in foreign jurisdictions with reduced income tax rates. For the three and six month periods ended June 30, 2011, our effective tax rate was lower than the U.S. federal statutory rate of 35% as a result of a tax benefit from equity awards that do not ordinarily result in a tax benefit, an enhanced deduction for certain research and development expenses, profits in foreign jurisdictions with reduced income tax rates and the U.S. federal research and development credit.

Our earnings in Hungary are subject to a statutory tax rate of 19%. The difference between this rate and the statutory U.S. rate of 35% resulted in income tax benefits of $3.1 million and $4.0 million for the three month periods ended June 30, 2012 and 2011, respectively, and $5.2 million and $7.4 million for the six month periods ended June 30, 2012 and 2011. No countries other than Hungary had a significant impact on our effective tax rate. We have not entered into any advanced pricing or other agreements with the Internal Revenue Service with regard to any foreign jurisdictions.

The tax position of our Hungarian operation continues to benefit from assets created by the restructuring of our operations in Hungary. In addition, our research and development activities in Hungary continue to benefit from a tax law in Hungary that provides for an enhanced deduction for qualified research and development expenses. Partial release of the valuation allowance on assets from the restructuring and the enhanced tax deduction for research expenses resulted in income tax benefits of $4.6 million and $5.2 million for the three month periods ended June 30, 2012 and 2011, respectively, and $7.7 million and $9.9 million for the six month periods ended June 30, 2012 and 2011, respectively.