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Condensed Unaudited Consolidated Balance Sheets (Parenthetical) (USD $)
In Thousands, except Share data
Sep. 30, 2011
Dec. 31, 2010
Condensed Unaudited Consolidated Balance Sheets  
Cash and cash equivalents, restricted cash $ 18,000
Preferred stock, par value$ 1$ 1
Preferred stock, shares authorized5,000,0005,000,000
Preferred stock, shares issued00
Preferred stock, shares outstanding00
Common stock, par value$ 0.1$ 0.1
Common stock, shares authorized145,000,000145,000,000
Common stock, shares issued84,833,17578,215,189
Treasury stock, shares114,6750