v2.3.0.15
Long-term Equity-based Compensation Plans (Tables)
9 Months Ended
Sep. 30, 2011
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] 
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
The assumptions used in the Black-Scholes pricing model for options granted during the nine months ended September 30, 2011 and 2010 were as follows:
 
Nine Months Ended
 
Sep 30, 2011
 
Sep 30, 2010
Range of Valuation Assumptions
 
 
 
 
 
 
 
Expected Volatility
41.26
%
-
55.16%
 
40.55
%
-
50.51%
Risk-free Interest Rate
1.30

-
2.87
 
1.91

-
3.20
Expected Dividend Yield
3.15

-
3.38
 
3.25

-
3.39
Weighted-Average Expected Life (in Years)
 

 
 
 
 

 
 
Employee Grants
3.5

-
7
 
4

-
7
Director Grants
6
 
6
Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block]
Option and stock appreciation right activity for the nine months ended September 30, 2011 is presented below:
 
Shares Subject
to Options
 
Weighted-
Average
Exercise Price
Per Share
 
Weighted-
Average
Remaining
Contractual Life
(in Years)
 
Aggregate
Intrinsic Value
($ in Millions)
Outstanding at Beginning of the Year
4,004,546

 
$
42.34

 
 
 
 
Granted
313,750

 
28.10

 
 
 
 
Exercised
(12,000
)
 
19.43

 
 
 
 
Forfeited or Expired
(498,494
)
 
46.45

 
 
 
 
Outstanding at End of Period
3,807,802

 
$
40.70

 
4.34

 
$
2.4

Vested and Expected to Vest at End of Period
3,778,505

 
$
40.82

 
4.31

 
$
2.4

Exercisable at End of Period
3,312,613

 
$
43.07

 
3.66

 
$
1.8

Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]
Activity related to nonvested restricted stock for the nine months ended September 30, 2011 is presented below:
 
Restricted
Shares
 
Weighted-
Average
Grant-Date
Fair Value
Per Share
Nonvested Balance at Beginning of the Year
218,156

 
$
23.72

Granted
135,425

 
32.61

Vested
(50,821
)
 
30.18

Forfeited
(907
)
 
25.60

Nonvested Balance at End of Period
301,853

 
$
26.62