INCOME TAXES	9 Months Ended
Sep. 30, 2016
Income Tax Disclosure [Abstract]
Income Taxes	INCOME TAXES The Company does not recognize a tax benefit unless the Company concludes that it is more likely than not that the benefit will be sustained on audit by the taxing authority based solely on the technical merits of the associated tax position. If the recognition threshold is met, the Company recognizes a tax benefit measured at the largest amount of the tax benefit that the Company believes is greater than 50% likely to be realized. The gross unrecognized income tax benefits were $17.8 and $24.2 at September 30, 2016 and December 31, 2015, respectively. It is anticipated that the amount of the unrecognized income tax benefits will change within the next 12 months; however, these changes are not expected to have a significant impact on the results of operations, cash flows or the financial position of the Company. As of September 30, 2016 and December 31, 2015, $17.8 and $24.2, respectively, were the approximate amount of gross unrecognized income tax benefits that, if recognized, would favorably affect the effective income tax rate in future periods. The Company recognizes interest and penalties related to unrecognized income tax benefits in income tax expense. Accrued interest and penalties related to uncertain tax positions totaled $10.1 and $12.7 as of September 30, 2016 and December 31, 2015, respectively. The valuation allowance provided as a reserve against certain deferred tax assets is $15.1 as of September 30, 2016 and was $15.1 as of December 31, 2015. The IRS concluded the examination of the Company's 2014 federal consolidated income tax return in the third quarter. The Company's 2014 return did not include Covance Inc. In the third quarter the IRS notified the Company that Covance Inc.'s 2013 federal consolidated income tax return was under examination. The Canada Revenue Agency is currently examining the Company's 2013 and 2014 tax returns. The Company has various state and international income tax examinations ongoing throughout the year. Management believes that adequate provisions have been recorded related to all open tax years. The Company has substantially concluded all U.S. federal income tax matters for years through 2012. Substantially all material state and local and foreign income tax matters have been concluded through 2011 and 2005, respectively. As a result of the early adoption of the accounting standard update associated with simplifying several aspects of share-based compensation, a tax benefit of $13.4 was recorded for the nine months ended September 30, 2016, $3.6 of which related to the three months ended September 30, 2016. In addition, during the quarter, the Company changed its financial statement classification for certain gross receipts taxes, removing these taxes from its provision for income taxes and moving this expense into selling, general and administrative expenses. This change in presentation has been made for all periods presented.

INCOME TAXES

The Company does not recognize a tax benefit unless the Company concludes that it is more likely than not that the benefit will be sustained on audit by the taxing authority based solely on the technical merits of the associated tax position. If the recognition threshold is met, the Company recognizes a tax benefit measured at the largest amount of the tax benefit that the Company believes is greater than 50% likely to be realized.

The gross unrecognized income tax benefits were $17.8 and $24.2 at September 30, 2016 and December 31, 2015, respectively. It is anticipated that the amount of the unrecognized income tax benefits will change within the next 12 months; however, these changes are not expected to have a significant impact on the results of operations, cash flows or the financial position of the Company.

As of September 30, 2016 and December 31, 2015, $17.8 and $24.2, respectively, were the approximate amount of gross unrecognized income tax benefits that, if recognized, would favorably affect the effective income tax rate in future periods.

The Company recognizes interest and penalties related to unrecognized income tax benefits in income tax expense. Accrued interest and penalties related to uncertain tax positions totaled $10.1 and $12.7 as of September 30, 2016 and December 31, 2015, respectively.

The valuation allowance provided as a reserve against certain deferred tax assets is $15.1 as of September 30, 2016 and was $15.1 as of December 31, 2015.

The IRS concluded the examination of the Company's 2014 federal consolidated income tax return in the third quarter. The Company's 2014 return did not include Covance Inc. In the third quarter the IRS notified the Company that Covance Inc.'s 2013 federal consolidated income tax return was under examination. The Canada Revenue Agency is currently examining the Company's 2013 and 2014 tax returns.

The Company has various state and international income tax examinations ongoing throughout the year. Management believes that adequate provisions have been recorded related to all open tax years.

The Company has substantially concluded all U.S. federal income tax matters for years through 2012. Substantially all material state and local and foreign income tax matters have been concluded through 2011 and 2005, respectively.

As a result of the early adoption of the accounting standard update associated with simplifying several aspects of share-based compensation, a tax benefit of $13.4 was recorded for the nine months ended September 30, 2016, $3.6 of which related to the three months ended September 30, 2016. In addition, during the quarter, the Company changed its financial statement classification for certain gross receipts taxes, removing these taxes from its provision for income taxes and moving this expense into selling, general and administrative expenses. This change in presentation has been made for all periods presented.