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Share-Based Compensation
 6 Months Ended
Jun. 30, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Share-Based Compensation
Share-Based Compensation
The Company's Net income (controlling interest) for the three and six months ended June 30, 2012 includes compensation expense of $4.9 million and $9.9 million, respectively (net of income tax benefits of $3.0 million and $6.1 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 $5.4 million and $10.9 million, respectively (net of income tax benefits of $3.4 million and $6.8 million, respectively) for the three and six months ended June 30, 2013. As of June 30, 2013, the Company expects to recognize compensation expense related to these share-based compensation arrangements of $60.6 million over a weighted average 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 exercised
(0.6
)
 
64.13

 
 
Unexercised options outstanding—June 30, 2013
3.2

 
75.81

 
3.8
Exercisable at June 30, 2013
2.0

 
70.21

 
3.4

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

 
$
84.53

Units issued
(0.1
)
 
85.63

Unvested units—June 30, 2013
0.3

 
84.49


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