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Subsequent Event
6 Months Ended
Jun. 30, 2012
Subsequent Events [Abstract]  
Subsequent Event [Text Block]
Subsequent Events

Stock Repurchases
Subsequent to June 30, 2012, and through August 6, 2012, we repurchased 112,061 shares of our common stock, including 32,550 shares executed during June 2012 but settled in July 2012, under the stock repurchase program authorized by the Board of Directors on October 24, 2011. The average price paid per share was $41.31.