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Equity-Based Compensation (Tables)
12 Months Ended
Dec. 31, 2012
Shares of Time-Vested Restricted Stock Granted and Vesting Schedules of Restricted Stock Awards

The following table shows the number of shares of time-vested restricted stock granted in 2012 and the vesting schedules of the restricted stock awards that were granted under the Plan to certain executive officers and other members of management.

 

Vesting period

   RSA’s      PSA’s      Total  

At grant

     6,955         0         6,955   

After three years of service

     162,126         72,470         234,596   
  

 

 

    

 

 

    

 

 

 

Total

     169,081         72,470         241,551   
  

 

 

    

 

 

    

 

 

 
Weighted-Average Assumptions Used for Grants of Stock Options and SARs

The following table shows the weighted-average assumptions used for grants of SARs as well as the fair value of the grants based on those assumptions:

 

     2012   2011   2010
  

 

Expected dividend yield

   0%   0%   0%

Forfeiture rate

   10.21%   11.50%   9.78%

Volatility

   35.90%   35.33%   39.50%

Risk free interest rate

   .94%   2.01%   2.26%

- Range of interest rates

   0.07% - 1.95%   0.01% - 3.18%   0.06% - 3.41%

Expected weighted-average life

   5.48 years   5.42 years   5.36 years

Fair value of SARs granted

   $5,533,000   $5,495,000   $6,527,000

Weighted-average grant date fair value of options and SARs granted

    (per underlying share)

   $12.84   $14.29   $10.64
Summary of Stock Option Activity

Stock option activity for the years ended December 31, 2012, 2011, and 2010, was as follows:

 

     2012      2011      2010  
Options    Shares    

Weighted-

Average
Exercise Price

     Shares    

Weighted-

Average
Exercise Price

     Shares    

Weighted-

Average
Exercise Price

 

Outstanding at beginning of year

     1,702,650      $  40.43         2,340,959      $  37.35         2,767,887      $  35.98   

Granted

     0        0         0        0         0        0   

Exercised

     (148,802     27.02         (490,715     26.63         (273,564     23.43   

Forfeited

     (1,663     36.36         (63,714     32.29         (62,798     35.87   

Expired

     (20,341     43.63         (83,880     40.76         (90,566     35.08   

Outstanding at end of year

     1,531,844      $  41.69         1,702,650      $  40.43         2,340,959      $  37.35   

Exercisable at end of year

     1,527,814      $  41.75         1,589,096      $  40.84         1,893,346      $  37.50   

Intrinsic value of exercised options

   $  1,700,000         $ 6,400,000         $ 2,214,000     
Summary of Outstanding and Exercisable Options

The following table summarizes information about stock options outstanding at December 31, 2012:

 

   

                Outstanding                 

      

                Exercisable                 

Aggregate intrinsic value

  $    1,379,000           $    1,306,000     

Weighted-average remaining contractual term

  3.4 years      3.4 years
Summary of SAR Activity

SAR activity for the years ended December 31, 2012, 2011, and 2010, was as follows:

 

     2012      2011      2010  
SARs    Shares     Weighted-
Average
Exercise Price
     Shares     Weighted-
Average
Exercise Price
     Shares     Weighted-
Average
Exercise Price
 

Outstanding at beginning of year

     1,287,724        $ 28.91         1,234,787        $ 23.82         684,058        $ 19.97   

Granted

     431,040        38.51         387,847        41.14         612,681        27.82   

Exercised

     (102,972     23.83         (95,672     22.20         (31,001     19.56   

Forfeited

     (75,978     34.10         (238,965     25.15         (30,678     22.14   

Expired

     (4,010     41.57         (273     19.56         (273     19.56   

Outstanding at end of year

     1,535,804        $ 31.66         1,287,724        $ 28.91         1,234,787        $ 23.82   

Exercisable at end of year

     514,787        $ 26.52         305,228        $ 23.27         149,318        $ 20.19   

Intrinsic value of exercised SARs

     $ 1,500,000           $ 1,700,000           $ 353,000     
Summary of Restricted Stock Award Activity

Restricted stock award activity, granted under the 2011 and 2006 Plans, for the years ended December 31, 2012, 2011 and 2010 was as follows:

 

     2012      2011      2010  
Restricted Stock Awards   

Shares
    Weighted-Average
Grant Date Fair
Value
    

Shares
    Weighted-Average
Grant Date Fair
Value
    

Shares
    Weighted-Average
Grant Date Fair
Value
 

    Outstanding at beginning of year

     529,880        $ 28.20         594,090        $ 25.51         406,682        $ 24.43   

    Granted

     169,081        38.45         152,636        41.17         225,985        27.85   

    Released

     (235,580     21.39         (197,472     30.08         (22,325     29.11   

    Forfeited

     (19,019     34.90         (19,374     29.08         (16,252     26.19   

    Outstanding at end of year

     444,362        $ 35.43         529,880        $ 28.20         594,090        $ 25.51   
  

 

 

 
Summary of Performance Share Award Activity

Performance share award activity, granted under the 2011 and 2006 Plans, for the years ended December 31, 2012, 2011 and 2010 was as follows:

 

    2012     2011     2010  
Performance Share Awards  

Shares
    Weighted-Average
Grant Date Fair
Value
   

Shares
    Weighted-Average
Grant Date Fair
Value
   

Shares
    Weighted-Average
Grant Date Fair
Value
 

    Outstanding at beginning of year

    306,261        $  28.58        250,596        $  25.35        100,660        $  21.68   

    Granted

    72,470        38.68        62,874        41.47        149,936        27.82   

    Released

    (1,802     41.57        (7,209     28.79        0        0.0   

    Forfeited

    (111,100     23.06        0        0.0        0        0.0   

 

 

    Outstanding at end of year

    265,829        $  35.55        306,261        $  28.58        250,596        $  25.35   
 

 

 

 
Weighted-Average Assumptions Used for Employee Purchase Rights Granted Under Stock Purchase Plan

The fair value of the purchase rights issued to Zebra employees under the stock purchase plan is estimated using the following weighted-average assumptions for purchase rights granted. Expected lives of three months to one year have been used along with these assumptions.

 

     2012      2011      2010  
  

 

 

 

Fair market value

   $ 35.43       $ 34.77       $ 27.95   

Option price

   $ 33.66       $ 33.03       $ 26.55   

Expected dividend yield

     0%         0%         0%   

Expected volatility

     21%         33%         25%   

Risk free interest rate

     0.07%         0.07%         0.14%   
Stock Appreciation Rights (SARs) [Member]
 
Summary of Outstanding and Exercisable Options

The following table summarizes information about SARs outstanding at December 31, 2012:

 

                 Outstanding                                         Exercisable                

Aggregate intrinsic value

   $    10,551,000             $    5,926,000      

Weighted-average remaining contractual term

   7.7 years       6.9 years