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LONG-TERM INCENTIVE EMPLOYEE COMPENSATION (Tables) | 6 Months Ended
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Jun. 30, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Long-Term Incentive Employee Compensation Costs | The following table provides the components of LTIP costs for the three and six months ended June 30, 2016 and 2015.
| Three Months |  | Six Months
For the Periods Ended June 30 | 2016 |  | 2015 |  | 2016 |  | 2015
Equity based awards | $ | 3.0 |  |  | $ | 3.8 |  |  | $ | 5.9 |  |  | $ | 6.9 |
Liability-based awards | 0.3 |  |  | 0.7 |  |  | 0.8 |  |  | 0.9 |
Total share-based compensation expense | $ | 3.3 |  |  | $ | 4.5 |  |  | $ | 6.7 |  |  | $ | 7.8 |
Summary of Long-Term Incentive Plan Award Grants during year |
| # of Awards Granted | Weighted Average Grant Date Fair Value Per Share
Non-qualified stock options (NQOs) | 0.4 |  | $ | 9.16 |
Restricted stock units (RSUs) | 0.3 |  | $ | 33.28 |
Performance stock units (PSUs) | 0.2 |  | $ | 33.27 |
Weighted Average Grant Date Fair Value Assumptions for NQOs | The fair value of each NQO grant was estimated on the date of grant using a binomial lattice pricing model that incorporates multiple and variable assumptions over time, including assumptions such as employee exercise patterns, stock price volatility and changes in dividends. The following table details the weighted average assumptions used to measure fair value and the resulting grant date fair value for the first quarter 2016 NQO grants.
Dividend yield | 1.5%
Expected volatility | 32.2%
Expected life | 6.0 years
Risk-free rates | 1.5%
Weighted average grant date fair value per share | $9.16

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- Definition Tabular disclosure of components of a stock option or other award plan under which equity-based compensation is awarded to employees, typically comprised of the amount of unearned compensation (deferred compensation cost), compensation expense, and changes in the quantity and fair value of the shares (or other type of equity) granted, exercised, forfeited, and issued and outstanding pertaining to that plan. Disclosure may also include nature and general terms of such arrangements that existed during the period and potential effects of those arrangements on shareholders, effect of compensation cost arising from equity-based payment arrangements on the income statement, method of estimating the fair value of the goods or services received, or the fair value of the equity instruments granted, during the period, cash flow effects resulting from equity-based payment arrangements and, for registrants that accelerate vesting of out of the money share options, reasons for the decision to accelerate. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 + Details
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- Definition Tabular disclosure of share-based compensation plans that may be presented in a single table for outstanding, vested and expected to vest, and exercisable awards. The information that may be disclosed in this table may include, but is not limited to, number of shares, weighted average exercise price, weighted average remaining contractual life, and aggregate intrinsic value. + References No definition available. + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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