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Share Repurchases (Tables) | 12 Months Ended
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Dec. 31, 2012
Share Repurchases [Abstract] |
Summary of share repurchases under a stock repurchase plan |
|  | shares |  |  | (thousands) |
Authorized amount |  |  | n/a |  |  | $ | 25,000 |
Repurchases |  |  | 291,120 |  |  |  | (4,462 | )
Remaining authorization |  |  |  |  |  | $ | 20,538 |

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- Definition Schedule of share repurchases. + References No definition available. + Details
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