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Accounting for Stock-Based Compensation
6 Months Ended
Jun. 30, 2014
Accounting for Stock-Based Compensation
Note 9.             Accounting for Stock-Based Compensation

The Company has a Long Term Incentive Plan (“LTIP”) under which the Company’s Compensation Committee has the authority to grant stock options, stock appreciation rights, restricted stock, restricted stock units or other forms of equity-based or equity-related awards.

Compensation cost generally is recognized on a straight-line basis over the vesting period of the shares. Share-based compensation of $7.0 and $13.4, and $5.6 and $11.1 was recognized during the three and six month periods ended June 30, 2014 and 2013, respectively, related to the equity grants made pursuant to the LTIP. Unrecognized compensation expense related to equity grants, including the estimated impact of any future forfeitures, was $53.8 at June 30, 2014.

The Company has established a qualified Employee Stock Purchase Plan which allows qualified employees (as defined in the Employee Stock Purchase Plan) to purchase shares of the Company’s common stock at a price equal to 85% of the closing price at the end of each semi-annual stock purchase period. Compensation cost for this plan was not material to any of the periods presented.