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LONG-TERM INCENTIVE EMPLOYEE COMPENSATION (Tables)
3 Months Ended
Mar. 31, 2019
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 months ended March 31, 2019 and 2018.
For the Three Months Ended March 31
2019
 
2018
Equity-based awards
$
4.5

 
$
4.5

Liability-based awards
0.7

 
0.1

Total share-based compensation expense
$
5.2

 
$
4.6

Summary of Long-Term Incentive Plan Award Grants during year During the three months ended March 31, 2019, we granted the following LTIP awards as provided in the table below:
 
# of Awards Granted
Weighted Average Grant Date Fair Value Per Share
Restricted stock units (RSUs)
0.2
 
$
58.19

 
Performance stock units (PSUs)
0.1
 
$
65.28