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Common Stock Incentive Plans (Tables)
9 Months Ended
Sep. 30, 2012
Common Stock Incentive Plans  
Summary of common stock grant activity under Stock 2003 Plan and 2012 Plan, or the Incentive Award Plans

 

 

 

For the nine
months ended
September 30, 2012

 

For the year ended
December 31, 2011

 

 

 

Number of
shares

 

 

Weighted
average
price
(1)

 

Number of
shares

 

 

Weighted
average
price
(1)

 

Outstanding nonvested shares, beginning of year

 

925,526

 

 

$ 20.21

 

924,294

 

 

$ 19.69

 

Shares granted

 

261,411

 

 

35.05

 

247,214

 

 

33.94

 

Shares vested

 

(290,577

)

 

27.47

 

(245,487

)

 

25.26

 

Shares forfeited

 

(910

)

 

31.67

 

(495

)

 

31.37

 

Outstanding nonvested shares, end of each period

 

895,450

 

 

$ 22.40

 

925,526

 

 

$ 20.21

 

 

(1) Grant date fair value.