Income Taxes	3 Months Ended
Mar. 31, 2018
Income Tax Disclosure [Abstract]
Income Taxes	Note 7 — Income Taxes The income tax provision for the quarter ended March 31, 2018, was $14.1 million compared to $8.6 million for the quarter ended March 31, 2017. The provision for the quarter ended March 31, 2017 included a nonrecurring discrete benefit of $9.1 million, related to the release of a valuation allowance in a foreign jurisdiction. Both periods benefited from deductions associated with share based compensation payments. Excluding discrete items, the Company’s 2018 annual estimated effective income tax rate is 25%. The Tax Cuts and Jobs Act (the “Act”) enacted in 2017, resulted in the U.S. Federal income tax rate being reduced to 21% from 35% for the same period last year. During the measurement period, which is one year from the date of enactment, or the completion of all estimates made in connection with the Act, companies are permitted to make additional income tax adjustments and revisions of estimates related to the Act. Accordingly, the impact resulting from the Act is subject to further refinement of the Company’s calculations, changes in interpretation and assumptions, or issuance of additional guidance and regulations by the relevant tax authorities. During the quarter ended March 31, 2018, there were no adjustments made to previously made estimates related to the Act.

Note 7 — Income Taxes

The income tax provision for the quarter ended March 31, 2018, was $14.1 million compared to $8.6 million for the quarter ended March 31, 2017. The provision for the quarter ended March 31, 2017 included a nonrecurring discrete benefit of $9.1 million, related to the release of a valuation allowance in a foreign jurisdiction. Both periods benefited from deductions associated with share based compensation payments. Excluding discrete items, the Company’s 2018 annual estimated effective income tax rate is 25%.

The Tax Cuts and Jobs Act (the “Act”) enacted in 2017, resulted in the U.S. Federal income tax rate being reduced to 21% from 35% for the same period last year. During the measurement period, which is one year from the date of enactment, or the completion of all estimates made in connection with the Act, companies are permitted to make additional income tax adjustments and revisions of estimates related to the Act. Accordingly, the impact resulting from the Act is subject to further refinement of the Company’s calculations, changes in interpretation and assumptions, or issuance of additional guidance and regulations by the relevant tax authorities. During the quarter ended March 31, 2018, there were no adjustments made to previously made estimates related to the Act.