CAPITAL STOCK

3 Months Ended

Mar. 31, 2017

Equity [Abstract]

CAPITAL STOCK

CAPITAL STOCK

On October 27, 2006, a three-year $1 billion share repurchase program was approved by the Board of Directors (Share Repurchase Program). On December 16, 2008, the provisions of the Share Repurchase Program were modified by the Board of Directors to replace the original three-year term with an indefinite term. We did not repurchase any shares of common stock under this program during three months ended March 31, 2017 and 2016. To date, the Company has repurchased 20.4 shares for $829.4 under the Share Repurchase Program.

Separate from the Share Repurchase Program, the Company repurchased 0.1 shares and 0.2 shares for an aggregate price of $2.3 and $6.9, during the three months ended March 31, 2017 and 2016, respectively, in settlement of employee tax withholding obligations due upon the vesting of RSUs and PSUs.