Income Taxes	3 Months Ended
Mar. 31, 2015
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes Our effective tax rate was 31.5% in the first quarter of 2015 as compared to 28.9% in the first quarter of 2014. In both the first quarter of 2015 and the first quarter of 2014, our tax rate benefited from favorable tax rates on certain foreign business activity as compared to our statutory rate of 35%. We are subject to income taxes in the United States and in numerous foreign jurisdictions. No provision is made for U.S. income taxes on the undistributed earnings of substantially all of our wholly-owned foreign subsidiaries because such earnings are indefinitely reinvested in those companies. If circumstances change and it becomes apparent that some or all of the undistributed earnings of our wholly-owned foreign subsidiaries will not be indefinitely reinvested, a provision for the tax consequences, if any, will be recorded in the period in which the circumstances change. Our accounting policy is to account for interest expense and penalties related to uncertain tax positions as income tax expense. As of March 31, 2015, we have approximately $1.2 million of accrued interest related to uncertain tax positions included in the $12.1 million of unrecognized tax benefits, $12.0 million of which, if recognized, would impact the effective tax rate. We are subject to taxation in the U.S. and various state and foreign jurisdictions. Our tax years from 2011 through 2014 are subject to examination by these various tax authorities. With few exceptions, we are no longer subject to U.S. federal, state, local and foreign examinations by tax authorities for years before 2011.

Income Taxes

3 Months Ended

Mar. 31, 2015

Our effective tax rate was 31.5% in the first quarter of 2015 as compared to 28.9% in the first quarter of 2014. In both the first quarter of 2015 and the first quarter of 2014, our tax rate benefited from favorable tax rates on certain foreign business activity as compared to our statutory rate of 35%.

We are subject to income taxes in the United States and in numerous foreign jurisdictions. No provision is made for U.S. income taxes on the undistributed earnings of substantially all of our wholly-owned foreign subsidiaries because such earnings are indefinitely reinvested in those companies. If circumstances change and it becomes apparent that some or all of the undistributed earnings of our wholly-owned foreign subsidiaries will not be indefinitely reinvested, a provision for the tax consequences, if any, will be recorded in the period in which the circumstances change.

Our accounting policy is to account for interest expense and penalties related to uncertain tax positions as income tax expense. As of March 31, 2015, we have approximately $1.2 million of accrued interest related to uncertain tax positions included in the $12.1 million of unrecognized tax benefits, $12.0 million of which, if recognized, would impact the effective tax rate.

We are subject to taxation in the U.S. and various state and foreign jurisdictions. Our tax years from 2011 through 2014 are subject to examination by these various tax authorities. With few exceptions, we are no longer subject to U.S. federal, state, local and foreign examinations by tax authorities for years before 2011.