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

Three Months Ended September 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

  $ 27,831     $ 3,060     $ 20,073     $ 3,019  

Distributed income applicable to common stockholders

    (3,030 )     (333 )     (2,212 )     (333 )

Basic undistributed income from continuing operations applicable to common stockholders

  $ 24,801     $ 2,727     $ 17,861     $ 2,686  
                                 

Denominator:

                               

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

    23,304       2,562       22,139       3,330  
                                 

Basic income per share from continuing operations applicable to common stockholders

  $ 1.19     $ 1.19     $ 0.91     $ 0.91  

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

  $ 1.06     $ 1.06     $ 0.81     $ 0.81  

Three Months Ended September 30,

 

2013

   

2012

 

Diluted EPS from Continuing

Operations

 

Class A

   

Class B

   

Class A

   

Class B

 

Numerator:

                               

Distributed income applicable to common stockholders

  $ 3,030     $ 333     $ 2,212     $ 333  

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

    328       -       327       -  

Diluted distributed income applicable to common stockholders

  $ 3,363     $ 328     $ 2,545     $ 327  

Undistributed income from continuing operations applicable to common stockholders

  $ 24,801     $ 2,727     $ 17,861     $ 2,686  

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

    39       (39 )     49       (49 )

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

    2,688       -       2,637       -  

Diluted undistributed income from continuing operations applicable to common stockholders

  $ 27,528     $ 2,688     $ 20,547     $ 2,637  
                                 

Denominator:

                               

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

    23,304       2,562       22,139       3,330  

Weighted average number of shares from stock options

    371       -       478       -  

Conversion of Class B to Class A common shares outstanding

    2,562       -       3,330       -  

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

    26,237       2,562       25,947       3,330  
                                 

Diluted income per share from continuing operations applicable to common stockholders

  $ 1.18     $ 1.18     $ 0.89     $ 0.89  

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

  $ 1.05     $ 1.05     $ 0.79     $ 0.79  

Three Months Ended September 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

    14       -       -       -  

Nine Months Ended September 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

  $ 70,063     $ 7,991     $ 51,525     $ 8,206  

Distributed income applicable to common stockholders

    (6,031 )     (688 )     (5,989 )     (954 )

Basic undistributed income from continuing operations applicable to common stockholders

  $ 64,032     $ 7,303     $ 45,536     $ 7,252  
                                 

Denominator:

                               

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

    23,137       2,639       22,195       3,535  
                                 

Basic income per share from continuing operations applicable to common stockholders

  $ 3.03     $ 3.03     $ 2.32     $ 2.32  

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

    (0.26 )     (0.26 )     (0.27 )     (0.27 )

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

  $ 2.77     $ 2.77     $ 2.05     $ 2.05  

Nine Months Ended September 30,

 

2013

   

2012

 

Diluted EPS from Continuing

Operations

 

Class A

   

Class B

   

Class A

   

Class B

 

Numerator:

                               

Distributed income applicable to common stockholders

  $ 6,031     $ 688     $ 5,989     $ 954  

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

    10       (10 )     17       (17 )

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

    678       -       937       -  

Diluted distributed income applicable to common stockholders

  $ 6,719     $ 678     $ 6,943     $ 937  

Undistributed income from continuing operations applicable to common stockholders

  $ 64,032     $ 7,303     $ 45,536     $ 7,252  

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

    107       (107 )     130       (130 )

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

    7,196       -       7,122       -  

Diluted undistributed income from continuing operations applicable to common stockholders

  $ 71,335     $ 7,196     $ 52,788     $ 7,122  
                                 

Denominator:

                               

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

    23,137       2,639       22,195       3,535  

Weighted average number of shares from stock options

    383       -       473       -  

Conversion of Class B to Class A common shares outstanding

    2,639       -       3,535       -  

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

    26,159       2,639       26,203       3,535  
                                 

Diluted income per share from continuing operations applicable to common stockholders

  $ 2.98     $ 2.98     $ 2.28     $ 2.28  

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

    (0.26 )     (0.26 )     (0.26 )     (0.26 )

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

  $ 2.72     $ 2.72     $ 2.02     $ 2.02  

Nine Months Ended September 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

    17       -       90       -