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Consolidated Balance Sheets (Parenthetical) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Shareholder's Equity:
Common stock, shares authorized	250,000	250,000
Common stock, shares issued	62,956	62,594
Common stock, shares outstanding	59,717	60,191

Total number of shares of common stock held by shareholders. May be all or portion of the number of common shares authorized. These shares represent the ownership interest of the common shareholders. Shares outstanding equals shares issued minus shares held in treasury and other adjustments, if any.

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