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Statements of Cash Flow (Tables) | 9 Months Ended
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Sep. 30, 2011
Supplemental Cash Flow Information [Abstract] |
Statements of Cash Flow |
|  | Nine Months ended September 30, |
($ in thousands) |  | 2011 |  | 2010 |
Cash (received) paid during the period for: |  |  |  |  |
Interest | $ | 11,074 |  | 11,620 |
Federal income tax |  | (6,460) |  | 14,000 |

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- Definition Tabular disclosure of supplemental cash flow information for the periods presented. + Details
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