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SHARE-BASED COMPENSATION (Tables)
6 Months Ended
Jun. 30, 2017
Schedule of Share-based Compensation Activity
Share-based compensation activity during year-to-date 2017 included the following:
SHARES IN THOUSANDS
Granted
 
Vested
Restricted Stock Units (RSUs)
763

 
710

Performance Share Units (PSUs)
348

 
160

Weighted Average Assumptions Used in Estimating the Value of Performance Share Units Granted
Weighted Average Assumptions Used in Estimating the Value of Performance Share Units Granted in 2017
 
Performance Share Units
Performance period
1/1/2017 - 12/31/2019
 
Valuation date average stock price (1)
$
32.79
 
Expected dividends
3.74
%
Risk-free rate
0.68
%
1.55
%
Expected volatility
22.71
%
24.07
%
(1) Calculated as an average of the high and low prices on grant date.