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Income Taxes	9 Months Ended
	Sep. 30, 2018
Income Tax Disclosure [Abstract]
Income Taxes	INCOME TAXES Income taxes receivable included in Receivables, net totaled $12.7 million at September 30, 2018, and income taxes payable included in Other Current Liabilities totaled $81.1 million at December 31, 2017. We file income tax returns in the U.S. federal jurisdiction and various states. As a matter of course, various taxing authorities, including the IRS, regularly audit us. Currently, no tax years are under examination by the IRS, and tax years from 2014 to 2016 are under examination by certain U.S. state jurisdictions. These audits may result in proposed assessments where the ultimate resolution may result in our owing additional taxes. It is our policy to account for interest and penalties associated with income tax obligations as a component of Income Tax Provision in the accompanying Unaudited Condensed Consolidated Financial Statements. Tax Reform On December 22, 2017, H.R.1 formerly known as the “Tax Cuts and Jobs Act,” was enacted into law. This new tax legislation, among other things, reduced the U.S. federal corporate tax rate from 35% to 21% effective January 1, 2018. We have not completed our accounting for the tax effects of enactment of the Act; however, we made a reasonable estimate of the effects on our deferred tax balances as of December 31, 2017. Additionally, for the three and nine months ended September 30, 2018, and in conjunction with the filing of our federal tax return, we recorded a $5.0 million reduction to income tax expense related to our provisional estimate recorded as of December 31, 2017, due to the revaluation of our deferred tax assets and liabilities. The reduction had a 340 basis point and a 120 basis point impact on our effective income tax rate for the three and nine months ended September 30, 2018, respectively. As of September 30, 2018, we are still analyzing the impact of certain aspects of the new legislation and refining our calculations primarily related to state taxes, which could affect the measurement of our deferred tax balances or give rise to new deferred tax amounts. The provisional amounts remain subject to adjustment during a measurement period of up to one year from the date of enactment.

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- Definition

The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-URI http://asc.fasb.org/topic&trid=2144680

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