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Common Stock Activity (Tables) | 6 Months Ended
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Jun. 30, 2013
Common Stock, Number of Shares, Par Value and Other Disclosures [Abstract] |
Schedule of Share Activity | A summary of share activity for the periods indicated is as follows (in thousands):
| Common Shares Outstanding |  | Treasury Shares
Balance as of December 31, 2011 | 80,569 |  |  | 4,594 |
Shares issued for stock option exercises | 32 |  |  |
Shares issued for restricted stock awards | 129 |  |  |
Other shares issued, net | 5 |  |  |
Common stock repurchases (1) | (2,906 | ) |  | 2,906 |
Balance as of June 30, 2012 | 77,829 |  |  | 7,500 |
Balance as of December 31, 2012 | 76,448 |  |  | 9,467 |
Shares issued for stock option exercises | 313 |  |  |
Shares issued for restricted stock awards | 36 |  |  |
Other shares issued, net | 130 |  |  |
Shares contributed by shareholder, former owner of acquired business (2) | (200 | ) |  |
Balance as of June 30, 2013 | 76,727 |  |  | 9,467 |
(1) See Note 2 - Earnings Per Share for share repurchase plan details. (2) See Note 12 - Stock-Based Compensation and Other Employee Benefit Plans for contributed share details.

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- Definition Tabular disclosure of the change in common stock outstanding. + References No definition available. + Details
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