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Subsequent Events
6 Months Ended
Jun. 30, 2011
Subsequent Events  
Subsequent Events
7.   Subsequent Events

On July 6, 2011, the Company completed a public offering of 15,640,000 shares of common stock, $1 par value per share.  The 15,640,000 shares included 2,040,000 additional shares of common stock as a result of the underwriters exercising their over-allotment option.  The common stock was sold at $4.60 per share. Net proceeds from the offering were $68.1 million before direct offering costs.