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Stock-Based Compensation Plans (Tables)
9 Months Ended
Sep. 30, 2012
Stock-Based Compensation Plans  
Information with respect to stock options granted

 

 

 

 

 

 

Weighted

 

 

 

Weighted

 

 

 

 

 

average

 

 

 

average

 

 

 

2009 Plan

 

exercise price

 

1994 Plan

 

exercise price

 

 

 

shares

 

per share

 

shares

 

per share

 

 

 

 

 

 

 

 

 

 

 

Options Outstanding, December 31, 2011

 

247,403

 

$

98.42

 

1,112,959

 

$

94.10

 

Exercised

 

(42,204

)

84.67

 

(349,183

)

68.28

 

Granted

 

115,303

 

133.16

 

 

 

Forfeited

 

(11,887

)

115.15

 

(6,779

)

127.48

 

Options Outstanding, September 30, 2012

 

308,615

 

$

112.64

 

756,997

 

$

105.71

 

 

 

 

 

 

 

 

 

 

 

 

 

Options Exercisable September 30, 2012

 

75,679

 

$

97.53

 

756,997

 

$

105.71