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Note 12 - Net Income Per Share of Class A and Class B Common Stock (Tables)
 3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2014
Earnings Per Share [Abstract]    
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

Three Months Ended June 30,

 

2014

   

2013

 

Basic EPS from Continuing Operations

 

Class A

   

Class B

   

Class A

   

Class B

 

Numerator:

                               

Income from continuing operations applicable to common stockholders

  $ 31,720     $ 3,450     $ 22,734     $ 2,547  

Distributed income applicable to common stockholders

    (3,769 )     (410 )     (3,018 )     (338 )

Basic undistributed income from continuing operations applicable to common stockholders

  $ 27,951     $ 3,040     $ 19,716     $ 2,209  
                                 

Denominator:

                               

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

    23,557       2,562       23,185       2,597  
                                 

Basic income per share from continuing operations applicable to common stockholders

  $ 1.35     $ 1.35     $ 0.98     $ 0.98  

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

    (0.16 )     (0.16 )     (0.13 )     (0.13 )

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

  $ 1.19     $ 1.19     $ 0.85     $ 0.85  

Three Months Ended June 30,

 

2014

   

2013

 

Diluted EPS from Continuing Operations

 

Class A

   

Class B

   

Class A

   

Class B

 

Numerator:

                               

Distributed income applicable to common stockholders

  $ 3,769     $ 410     $ 3,018     $ 338  

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

    3       (3 )     5       (5 )

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

    407       -       333       -  

Diluted distributed income applicable to common stockholders

  $ 4,179     $ 407     $ 3,356     $ 333  

Undistributed income from continuing operations applicable to common stockholders

  $ 27,951     $ 3,040     $ 19,716     $ 2,209  

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

    25       (25 )     30       (30 )

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

    3,015       -       2,179       -  

Diluted undistributed income from continuing operations applicable to common stockholders

  $ 30,991     $ 3,015     $ 21,925     $ 2,179  
                                 

Denominator:

                               

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

    23,557       2,562       23,185       2,597  

Weighted average number of shares from stock options

    212       -       352       -  

Conversion of Class B to Class A common shares outstanding

    2,562       -       2,597       -  

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

    26,331       2,562       26,134       2,597  
                                 

Diluted income per share from continuing operations applicable to common stockholders

  $ 1.34     $ 1.34     $ 0.97     $ 0.97  

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

    (0.16 )     (0.16 )     (0.13 )     (0.13 )

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

  $ 1.18     $ 1.18     $ 0.84     $ 0.84  

Three Months Ended June 30,

 

2014

   

2013

 

Diluted EPS

 

Class A

   

Class B

   

Class A

   

Class B

 

Antidilutive Securities

                             

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

    12       -       18       -  

Six Months Ended June 30,

 

2014

   

2013

 

Basic EPS from Continuing Operations

 

Class A

   

Class B

   

Class A

   

Class B

 

Numerator:

                               

Income from continuing operations applicable to common stockholders

  $ 53,976     $ 5,888     $ 42,254     $ 4,909  

Distributed income applicable to common stockholders

    (6,814 )     (743 )     (3,007 )     (349 )

Basic undistributed income from continuing operations applicable to common stockholders

  $ 47,162     $ 5,145     $ 39,247     $ 4,560  
                                 

Denominator:

                               

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

    23,485       2,562       23,052       2,678  
                                 

Basic income per share from continuing operations applicable to common stockholders

  $ 2.30     $ 2.30     $ 1.83     $ 1.83  

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

    (0.29 )     (0.29 )     (0.13 )     (0.13 )

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

  $ 2.01     $ 2.01     $ 1.70     $ 1.70  

Six Months Ended June 30,

 

2014

   

2013

 

Diluted EPS from Continuing Operations

 

Class A

   

Class B

   

Class A

   

Class B

 

Numerator:

                               

Distributed income applicable to common stockholders

  $ 6,814     $ 743     $ 3,007     $ 349  

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

    8       (8 )     5       (5 )

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

    735       -       344       -  

Diluted distributed income applicable to common stockholders

  $ 7,557     $ 735     $ 3,356     $ 344  

Undistributed income from continuing operations applicable to common stockholders

  $ 47,162     $ 5,145     $ 39,247     $ 4,560  

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

    55       (55 )     69       (69 )

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

    5,090       -       4,491       -  

Diluted undistributed income from continuing operations applicable to common stockholders

  $ 52,307     $ 5,090     $ 43,807     $ 4,491  
                                 

Denominator:

                               

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

    23,485       2,562       23,052       2,678  

Weighted average number of shares from stock options

    279       -       390       -  

Conversion of Class B to Class A common shares outstanding

    2,562       -       2,678       -  

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

    26,326       2,562       26,120       2,678  
                                 

Diluted income per share from continuing operations applicable to common stockholders

  $ 2.27     $ 2.27     $ 1.81     $ 1.81  

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

    (0.29 )     (0.29 )     (0.13 )     (0.13 )

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

  $ 1.98     $ 1.98     $ 1.68     $ 1.68  

Six Months Ended June 30,

 

2014

   

2013

 

Diluted EPS

 

Class A

   

Class B

   

Class A

   

Class B

 

Antidilutive Securities

                               

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

    14       -       19       -