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Note 12 - Net Income Per Share of Class A and Class B Common Stock (Tables)
 6 Months Ended
Jun. 30, 2013
Earnings Per Share [Text Block]  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

Three Months Ended June 30,

 

2013

   

2012

 

Basic EPS from Continuing Operations

 

Class A 

   

Class B 

   

Class A 

   

Class B 

 

Numerator:

                               

Income from continuing operations applicable to common stockholders

  $ 22,734     $ 2,547     $ 17,261     $ 2,744  

Distributed income applicable to common stockholders

    (3,018 )     (338 )     (2,230 )     (354 )

Basic undistributed income from continuing operations applicable to common stockholders

  $ 19,716     $ 2,209     $ 15,031     $ 2,390  
                                 

Denominator:

                               

Weighted average number of shares outstanding used to calculate basic income per share

    23,185       2,597       22,201       3,529  
                                 

Basic income per share from continuing operations applicable to common stockholders

  $ 0.98     $ 0.98     $ 0.78     $ 0.78  

Basic distributed income per share from continuing operations applicable to common stockholders

    (0.13 )     (0.13 )     (0.10 )     (0.10 )

Basic undistributed income per share from continuing operations applicable to common stockholders

  $ 0.85     $ 0.85     $ 0.68     $ 0.68  

Three Months Ended June 30,

 

2013

   

2012

 

Diluted EPS from Continuing Operations

 

Class A 

   

Class B 

   

Class A 

   

Class B 

 

Numerator:

                               

Distributed income applicable to common stockholders

  $ 3,018     $ 338     $ 2,230     $ 354  

Reallocation of distributed income as a result of conversion of dilutive stock options

    5       (5 )     6       (6 )

Reallocation of distributed income due to conversion of Class B to Class A common shares outstanding

    333       -       348       -  

Diluted distributed income applicable to common stockholders

  $ 3,356     $ 333     $ 2,584     $ 348  

Undistributed income from continuing operations applicable to common stockholders

  $ 19,716     $ 2,209     $ 15,031     $ 2,390  

Reallocation of undistributed income as a result of conversion of dilutive stock options

    30       (30 )     42       (42 )

Reallocation of undistributed income due to conversion of Class B to Class A

    2,179       -       2,348       -  

Diluted undistributed income from continuing operations applicable to common stockholders

  $ 21,925     $ 2,179     $ 17,421     $ 2,348  
                                 

Denominator:

                               

Weighted average number of shares outstanding used to calculate basic income per share from continuing operations

    23,185       2,597       22,201       3,529  

Weighted average number of shares from stock options

    352       -       455       -  

Conversion of Class B to Class A common shares outstanding

    2,597       -       3,529       -  

Weighted average number of shares outstanding used to calculate diluted income per share from continuing operations

    26,134       2,597       26,185       3,529  
                                 

Diluted income per share from continuing operations applicable to common stockholders

  $ 0.97     $ 0.97     $ 0.76     $ 0.76  

Diluted distributed income per share from continuing operations applicable to common stockholders

    (0.13 )     (0.13 )     (0.10 )     (0.10 )

Diluted undistributed income per share from continuing operations applicable to common stockholders

  $ 0.84     $ 0.84     $ 0.66     $ 0.66  

Three Months Ended June 30,

 

2013

   

2012

 

Diluted EPS

 

Class A

   

Class B

   

Class A

   

Class B

 

Antidilutive Securities

                               

Shares issuable pursuant to stock options not included since they were antidilutive

    18       -       45       -  

Six Months Ended June 30,

 

2013

   

2012

 

Basic EPS from Continuing Operations

 

Class A 

   

Class B 

   

Class A 

   

Class B 

 

Numerator:

                               

Income from continuing operations applicable to common stockholders

  $ 42,254     $ 4,909     $ 31,483     $ 5,156  

Distributed income applicable to common stockholders

    (3,007 )     (349 )     (3,779 )     (619 )

Basic undistributed income from continuing operations applicable to common stockholders

  $ 39,247     $ 4,560     $ 27,704     $ 4,537  
                                 

Denominator:

                               

Weighted average number of shares outstanding used to calculate basic income per share

    23,052       2,678       22,221       3,639  
                                 

Basic income per share from continuing operations applicable to common stockholders

  $ 1.83     $ 1.83     $ 1.42     $ 1.42  

Basic distributed income per share from continuing operations applicable to common stockholders

    (0.13 )     (0.13 )     (0.17 )     (0.17 )

Basic undistributed income per share from continuing operations applicable to common stockholders

  $ 1.70     $ 1.70     $ 1.25     $ 1.25  

Six Months Ended June 30,

 

2013

   

2012

 

Diluted EPS from Continuing Operations

 

Class A 

   

Class B 

   

Class A 

   

Class B 

 

Numerator:

                               

Distributed income applicable to common stockholders

  $ 3,007     $ 349     $ 3,779     $ 619  

Reallocation of distributed income as a result of conversion of dilutive stock options

    5       (5 )     11       (11 )

Reallocation of distributed income due to conversion of Class B to Class A common shares outstanding

    344       -       608       -  

Diluted distributed income applicable to common stockholders

  $ 3,356     $ 344     $ 4,398     $ 608  

Undistributed income from continuing operations applicable to common stockholders

  $ 39,247     $ 4,560     $ 27,704     $ 4,537  

Reallocation of undistributed income as a result of conversion of dilutive stock options

    69       (69 )     81       (81 )

Reallocation of undistributed income due to conversion of Class B to Class A

    4,491       -       4,456       -  

Diluted undistributed income from continuing operations applicable to common stockholders

  $ 43,807     $ 4,491     $ 32,241     $ 4,456  
                                 

Denominator:

                               

Weighted average number of shares outstanding used to calculate basic income per share from continuing operations

    23,052       2,678       22,221       3,639  

Weighted average number of shares from stock options

    390       -       471       -  

Conversion of Class B to Class A common shares outstanding

    2,678       -       3,639       -  

Weighted average number of shares outstanding used to calculate diluted income per share from continuing operations

    26,120       2,678       26,331       3,639  
                                 

Diluted income per share from continuing operations applicable to common stockholders

  $ 1.81     $ 1.81     $ 1.39     $ 1.39  

Diluted distributed income per share from continuing operations applicable to common stockholders

    (0.13 )     (0.13 )     (0.17 )     (0.17 )

Diluted undistributed income per share from continuing operations applicable to common stockholders

  $ 1.68     $ 1.68     $ 1.22     $ 1.22  

Six Months Ended June 30,

 

2013

   

2012

 

Diluted EPS

 

Class A

   

Class B

   

Class A

   

Class B

 

Antidilutive Securities

                               

Shares issuable pursuant to stock options not included since they were antidilutive

    19       -       90       -