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Note 12 - Net Income Per Share of Class A and Class B Common Stock (Tables)
 3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2014
Earnings Per Share [Abstract]    
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

Three Months Ended September 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

  $ 31,149     $ 3,388     $ 27,831     $ 3,060  

Distributed income applicable to common stockholders

    (3,765 )     (409 )     (3,030 )     (333 )

Basic undistributed income from continuing operations applicable to common stockholders

  $ 27,384     $ 2,979     $ 24,801     $ 2,727  
                                 

Denominator:

                               

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

    23,556       2,562       23,304       2,562  
                                 

Basic income per share from continuing operations applicable to common stockholders

  $ 1.32     $ 1.32     $ 1.19     $ 1.19  

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

  $ 1.16     $ 1.16     $ 1.06       1.06  

Three Months Ended September 30,

 

2014

   

2013

 

Diluted EPS from Continuing Operations

 

Class A

   

Class B

   

Class A

   

Class B

 

Numerator:

                               

Distributed income applicable to common stockholders

  $ 3,765     $ 409     $ 3,030     $ 333  

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

    406       -       328       -  

Diluted distributed income applicable to common stockholders

  $ 4,174     $ 406     $ 3,363     $ 328  

Undistributed income from continuing operations applicable to common stockholders

  $ 27,384     $ 2,979     $ 24,801     $ 2,727  

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

    28       (28 )     39       (39 )

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

    2,951       -       2,688       -  

Diluted undistributed income from continuing operations applicable to common stockholders

  $ 30,363     $ 2,951     $ 27,528     $ 2,688  
                                 

Denominator:

                               

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

    23,556       2,562       23,304       2,562  

Weighted average number of shares from stock options

    241       -       371       -  

Conversion of Class B to Class A common shares outstanding

    2,562       -       2,562       -  

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

    26,359       2,562       26,237       2,562  
                                 

Diluted income per share from continuing operations applicable to common stockholders

  $ 1.31     $ 1.31     $ 1.18     $ 1.18  

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

  $ 1.15       1.15       1.05       1.05  

Three Months Ended September 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

    13       -       14       -  

Nine Months Ended September 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

  $ 85,124     $ 9,277     $ 70,063     $ 7,991  

Distributed income applicable to common stockholders

    (10,578 )     (1,153 )     (6,031 )     (688 )

Basic undistributed income from continuing operations applicable to common stockholders

  $ 74,546     $ 8,124     $ 64,032     $ 7,303  
                                 

Denominator:

                               

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

    23,509       2,562       23,137       2,639  
                                 

Basic income per share from continuing operations applicable to common stockholders

  $ 3.62     $ 3.62     $ 3.03     $ 3.03  

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

    (0.45 )     (0.45 )     (0.26 )     (0.26 )

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

  $ 3.17     $ 3.17     $ 2.77     $ 2.77  

Nine Months Ended September 30,

 

2014

   

2013

 

Diluted EPS from Continuing Operations

 

Class A

   

Class B

   

Class A

   

Class B

 

Numerator:

                               

Distributed income applicable to common stockholders

  $ 10,578     $ 1,153     $ 6,031     $ 688  

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

    12       (12 )     10       (10 )

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

    1,141       -       678       -  

Diluted distributed income applicable to common stockholders

  $ 11,731     $ 1,141     $ 6,719     $ 678  

Undistributed income from continuing operations applicable to common stockholders

  $ 74,546     $ 8,124     $ 64,032     $ 7,303  

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

    82       (82 )     107       (107 )

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

    8,042       -       7,196       -  

Diluted undistributed income from continuing operations applicable to common stockholders

  $ 82,670     $ 8,042     $ 71,335     $ 7,196  
                                 

Denominator:

                               

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

    23,509       2,562       23,137       2,639  

Weighted average number of shares from stock options

    266       -       383       -  

Conversion of Class B to Class A common shares outstanding

    2,562       -       2,639       -  

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

    26,337       2,562       26,159       2,639  
                                 

Diluted income per share from continuing operations applicable to common stockholders

  $ 3.58     $ 3.58     $ 2.98     $ 2.98  

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

    (0.45 )     (0.45 )     (0.26 )     (0.26 )

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

  $ 3.13     $ 3.13     $ 2.72       2.72  

Nine Months Ended September 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

    13       -       17       -