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TAXES ON INCOME
9 Months Ended
Sep. 30, 2017
Income Tax Disclosure [Abstract]  
TAXES ON INCOME
TAXES ON INCOME

For the three months ended September 30, 2017 and 2016, the effective income tax rate was 35.7% and 33.1%, respectively. The effective tax rate for the three months ended September 30, 2017 and 2016 benefited from $7 million and $3 million, respectively, of excess tax benefits associated with stock-based compensation arrangements. For the three months ended September 30, 2016, the effective income tax rate was also impacted by a non-taxable gain on an escrow recovery associated with an acquisition and other discrete tax benefits.

For the nine months ended September 30, 2017 and 2016, the effective income tax rate was 33.2% and 40.9%, respectively. The effective tax rate for the nine months ended September 30, 2017 and 2016 benefited from $36 million and $7 million, respectively, of excess tax benefits associated with stock-based compensation arrangements. For the nine months ended September 30, 2016, the effective tax rate was also impacted by the higher tax rate associated with the sale of the Focus Diagnostics products business, partially offset by a non-taxable gain on an escrow recovery associated with an acquisition and other discrete tax benefits. The income tax expense from the sale of the Focus Diagnostics products business resulted in a combined tax rate of 71.4%, which was significantly in excess of the statutory rate primarily due to a lower tax basis in the assets sold, specifically the goodwill associated with the disposition.
 
A full description regarding the Company's adoption of the ASU that simplified several aspects of the accounting for stock-based compensation award transactions, including the income tax consequences, classification of awards as either equity or liabilities, classification on the statement of cash flows and accounting for forfeitures is contained in Note 2 to the consolidated financial statements in the Company's 2016 Annual Report on Form 10-K.