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Share-Based Compensation
 9 Months Ended
Sep. 30, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Share-Based Compensation
Share-Based Compensation
Net income (controlling interest) for the three and nine months ended September 30, 2012 includes compensation expense of $5.0 million and $14.9 million, respectively (net of income tax benefits of $3.1 million and $9.2 million, respectively), related to the Company's Stock Option and Incentive, Executive Incentive, Long-Term Equity Interests and Deferred Compensation Plans as compared to compensation expense of $5.5 million and $16.4 million, respectively (net of income tax benefits of $3.5 million and $10.3 million, respectively), for the three and nine months ended September 30, 2013. As of September 30, 2013, the Company expects to recognize compensation expense related to these share-based compensation arrangements of $53.4 million over a period of approximately three years (assuming no forfeitures).
Stock Options
The following table summarizes the transactions of the Company's stock options:
 
Stock Options
 
Weighted Average
Exercise Price
 
Weighted Average
Remaining
Contractual Life
(years)
Unexercised options outstanding—December 31, 2012
3.8

 
$
74.04

 
 
Options granted
0.0

 
175.28

 
 
Options exercised
(0.8
)
 
62.45

 
 
Unexercised options outstanding—September 30, 2013
3.0

 
77.38

 
3.7
Exercisable at September 30, 2013
1.8

 
71.69

 
3.3

Restricted Stock
The following table summarizes the transactions of the Company's restricted stock units:
 
Restricted
Stock
 
Weighted
Average
Grant Date
Value
Unvested units—December 31, 2012
0.4

 
$
84.53

Units granted
0.0

 
174.91

Units issued
(0.1
)
 
85.63

Unvested units—September 30, 2013
0.3

 
86.31


Long-Term Equity Interests Plan
During the nine months ended September 30, 2013, the Company repurchased $3.2 million of these awards, and no awards were granted or forfeited.