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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 |  |  |  | - |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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