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Condensed Consolidated Balance Sheets (Parenthetical) (USD $) | Jun. 30, 2012 | Dec. 31, 2011
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Condensed Consolidated Balance Sheets |  |
Common stock, par value (in dollars per share) | $ 1 | $ 1
Common stock, authorized shares | 1,250,000 | 1,250,000
Common stock, issued shares | 1,202,472 | 1,210,597
Common stock, outstanding shares | 1,202,472 | 1,210,597

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