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SHARE-BASED COMPENSATION (Tables)
9 Months Ended
Sep. 30, 2011
Weighted Average Assumptions Used in Estimating Value of Stock Options Granted
Weighted Average Assumptions Used in Estimating the Value of Stock Options Granted in 2011
 
OPTIONS
Expected volatility
38.56
%
Expected dividends
2.48
%
Expected term (in years)
5.73

Risk-free rate
2.65
%
Weighted average grant date fair value
$
7.54

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 2011
 
Performance Share Units
Performance period
2/9/2011 – 2/9/2013

Valuation date closing stock price
$
24.32

Expected dividends
2.47
%
Risk-free rate
0.12% - 0.80%

Volatility
28.65% - 35.74%

Weighted Average Assumptions Used to Re-measure Value of Stock Appreciation Rights
Weighted Average Assumptions Used to Remeasure the Value of Stock Appreciation Rights as of September 30, 2011
 
SEPTEMBER 30,
2011
Expected volatility
41.49
%
Expected dividends
3.86
%
Expected term (in years)
2.91

Risk-free rate
0.52
%
Weighted average fair value
$
2.00