Income Taxes	3 Months Ended
Mar. 31, 2015
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes The effective income tax rate of 31.0% for the three months ended March 31, 2015, respectively, differed from the U.S. federal statutory rate of 35% primarily due to the effect of income earned by certain of the Company's foreign entities being taxed at lower rates than the federal statutory rate. The effective income tax rate of 29.7% for the three months ended March 31, 2014, respectively, differed from the U.S. federal statutory rate of 35% primarily due to the effect of income earned by certain of the Company's foreign entities being taxed at lower rates than the federal statutory rate. As of March 31, 2015, the Company has recorded a $948 liability for gross unrecognized tax benefits. This amount includes $462 of unrecognized tax benefits which, if ultimately recognized, will reduce the Company’s annual effective income tax rate. The Company recognizes interest and penalties related to uncertain tax positions in income tax expense. As of March 31, 2015, the Company had accrued approximately $100 for the payment of interest and penalties.

Income Taxes

3 Months Ended

Mar. 31, 2015

The effective income tax rate of 31.0% for the three months ended March 31, 2015, respectively, differed from the U.S. federal statutory rate of 35% primarily due to the effect of income earned by certain of the Company's foreign entities being taxed at lower rates than the federal statutory rate. The effective income tax rate of 29.7% for the three months ended March 31, 2014, respectively, differed from the U.S. federal statutory rate of 35% primarily due to the effect of income earned by certain of the Company's foreign entities being taxed at lower rates than the federal statutory rate.

As of March 31, 2015, the Company has recorded a $948 liability for gross unrecognized tax benefits. This amount includes $462 of unrecognized tax benefits which, if ultimately recognized, will reduce the Company’s annual effective income tax rate. The Company recognizes interest and penalties related to uncertain tax positions in income tax expense. As of March 31, 2015, the Company had accrued approximately $100 for the payment of interest and penalties.