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STOCK - BASED COMPENSATION PLANS (Tables)
12 Months Ended
Dec. 31, 2013
Stock-Based Compensation Cost and Associated Tax Benefit
 Year Ended December 31,
 2013 2012 2011
Stock-based compensation expense$ 67.1 $ 64.5 $ 56.7
Tax benefit$ 24.7 $ 23.3 $ 18.1
Weighted Average Assumptions used in Determining Fair Value for Options Granted
 Year Ended December 31,
 2013 2012 2011
Expected dividend yield 1.72%  1.66%  1.53%
Expected stock volatility 43%  44%  41%
Risk-free interest rate 1.53%  1.55%  3.33%
Expected holding period 7.2 years  7.4 years  7.6 years
Grant date fair value$ 17.58 $ 15.19 $ 12.49
Summary of Option Activity
Options Shares  Weighted Average Exercise Price Per Share Weighted Average Remaining Contractual Term  Aggregate Intrinsic Value
Outstanding, December 31, 2012  13.0 $ 42.82     
Granted  0.5   46.45     
Exercised  (4.3)   37.55     
Forfeited  (0.1)   35.53     
Expired  (0.2)   69.01     
Outstanding, December 31, 2013  8.9 $ 45.00 4.4 yrs $ 296.4
Vested and expected to vest, December 31, 2013  8.7 $ 45.11 4.3 yrs $ 290.7
Exercisable, December 31, 2013  7.2 $ 47.11 3.7 yrs $ 225.7
Summary of Information Relating to Stock Option Exercises
 Year Ended December 31,
 2013 2012 2011
Proceeds from stock option exercises$ 163.3 $ 127.4 $ 50.3
Aggregate intrinsic value$ 112.4 $ 61.3 $ 25.3
Tax benefit realized upon exercise$ 41.1 $ 23.4 $ 9.6
Summary of Nonvested Restricted Stock
Nonvested Restricted Stock Shares Weighted Average Grant Date Fair Value Per Share
Balance, December 31, 2012  3.0 $ 33.08
 Granted  1.3 $ 46.52
 Vested  (1.1) $ 31.60
 Forfeited  (0.1) $ 37.72
Balance, December 31, 2013  3.1 $ 39.30
Information Related to Vesting of Restricted Stock Awards
 Year Ended December 31,
 2013 2012 2011
Fair value of vested shares$ 54.6 $ 37.8 $ 18.9
Tax benefit realized upon vesting$ 19.3 $ 13.4 $ 6.9
Summary of Performance Based Restricted Stock
Performance-based restricted stock Shares Weighted Average Grant Date Fair Value Per Share
Balance, December 31, 2012  1.0 $ 30.06
 Granted  0.3 $ 44.07
 Adjustment to shares expected to vest*  (0.1) $ 33.31
Balance, December 31, 2013  1.2 $ 31.17