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Business and Summary of Significant Accounting Principles (Changes in issued Common Stock) (Details)
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3 Months Ended | |
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Mar. 31, 2014
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Mar. 31, 2013
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| Common Stock [Roll Forward] | ||
| Shares issued upon stock option exercises | 19,000 | |
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Common Stock - Class A [Member]
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| Common Stock [Roll Forward] | ||
| Balance, Beginning | 37,299,000 | 38,534,000 |
| Class B shares converted to Class A | 2,000 | 2,000 |
| Shares issued upon stock option exercises | 19,000 | 50,000 |
| Share awards issued | 1,119,000 | 621,000 |
| Shares retired | (26,000) | (795,000) |
| Shares acquired to settle minimum statutory tax withholding requirements | (24,000) | (14,000) |
| Other | (2,000) | |
| Balance, Ending | 38,389,000 | 38,396,000 |
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Common Stock - Class B [Member]
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| Common Stock [Roll Forward] | ||
| Balance, Beginning | 3,165,000 | 3,169,000 |
| Class B shares converted to Class A | 2,000 | 2,000 |
| Shares issued upon stock option exercises | 0 | 0 |
| Share awards issued | 0 | 0 |
| Shares retired | 0 | 0 |
| Shares acquired to settle minimum statutory tax withholding requirements | 0 | 0 |
| Other | 0 | |
| Balance, Ending | 3,163,000 | 3,167,000 |
| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
For net-share settlement of share-based awards when the employer settles employees' income tax withholding obligations, this element represents the number of shares the employees use to repay the employer. No definition available.
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| X | ||||||||||
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- Definition
This element represents movements in the number of shares included in the statement of changes in stockholders' equity which are not separately disclosed or provided for elsewhere in the taxonomy. No definition available.
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- Definition
Number of shares issued during the period as a result of the conversion of convertible securities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Total number of shares issued during the period, including shares forfeited, as a result of Restricted Stock Awards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Number of share options (or share units) exercised during the current period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Number of shares that have been repurchased and retired during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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