Income Taxes	3 Months Ended
Mar. 31, 2018
Income Tax Disclosure [Abstract]
Income Taxes	Note 16. Income Taxes The effective tax rate was 30.1% for the three months ended March 31, 2018 and 27.2% for the three months ended March 31, 2017. The income tax provision was computed based on the estimated annualized effective tax rate on the full-year forecasted income plus the tax impact of any unusual, infrequent, or non-recurring items during the period. The effective tax rate for the three months ended March 31, 2018 was greater than the federal statutory rate of 21% primarily due to foreign income taxed at higher rates and the impact of U.S. tax reform, specifically the global intangible low-taxed income (“GILTI”) tax on global income, certain non-deductible business expenses and the increase in the effective state tax rate. The effective tax rate for the three months ended March 31, 2017 was less than the federal statutory rate of 35% primarily due to the excess tax benefit on share-based compensation. As of March 31, 2018, we have not updated any provisional estimates included in the financial statements as of December 31, 2017 for the impact of the Tax Act, but expect to complete the analysis and record any adjustments within the one year period provided under SEC Staff Accounting Bulletin 118. We updated our current year estimate of the GILTI tax and have included the GILTI tax that cannot be fully offset by foreign tax credits generated in our annualized effective tax rate. The guidance and interpretation of the GILTI tax has not been finalized and it is possible that our estimate will change. Cash paid for income taxes was $9.1 million for the three months ended March 31, 2018 and $2.5 million for the three months ended March 31, 2017.

Note 16. Income Taxes

The effective tax rate was 30.1% for the three months ended March 31, 2018 and 27.2% for the three months ended March 31, 2017.

The income tax provision was computed based on the estimated annualized effective tax rate on the full-year forecasted income plus the tax impact of any unusual, infrequent, or non-recurring items during the period. The effective tax rate for the three months ended March 31, 2018 was greater than the federal statutory rate of 21% primarily due to foreign income taxed at higher rates and the impact of U.S. tax reform, specifically the global intangible low-taxed income (“GILTI”) tax on global income, certain non-deductible business expenses and the increase in the effective state tax rate. The effective tax rate for the three months ended March 31, 2017 was less than the federal statutory rate of 35% primarily due to the excess tax benefit on share-based compensation.

As of March 31, 2018, we have not updated any provisional estimates included in the financial statements as of December 31, 2017 for the impact of the Tax Act, but expect to complete the analysis and record any adjustments within the one year period provided under SEC Staff Accounting Bulletin 118.

We updated our current year estimate of the GILTI tax and have included the GILTI tax that cannot be fully offset by foreign tax credits generated in our annualized effective tax rate. The guidance and interpretation of the GILTI tax has not been finalized and it is possible that our estimate will change.

Cash paid for income taxes was $9.1 million for the three months ended March 31, 2018 and $2.5 million for the three months ended March 31, 2017.