Treasury Stock	9 Months Ended
Sep. 30, 2012
Treasury Stock [Abstract]
Treasury Stock	Note 8. Treasury Stock The Board of Directors initially authorized the Company’s share repurchase program in February 2010. In October 2011, the Board reauthorized this program with a new limit of $25.0 million. In October 2012, the Board extended the share repurchase program through December 31, 2013. There were no shares purchased during the three or nine months ended September 30, 2012. During the three months ended September 30, 2011, 357,970 shares were purchased for $6.8 million, or an average price (including commissions) of $18.99 per share. During the nine months ended September 30, 2011, 517,032 shares were purchased for $9.7 million, or an average price (including commissions) of $18.67 per share.

The entire disclosure for an entity's treasury stock, including the average cost per share, carrying basis for each class of treasury stock, description of share repurchase program authorized by an entity's board of directors, the number of shares repurchased, the cost of the shares repurchased, the remaining maximum dollar value of shares available for repurchase under the program, the treatment of the purchase price in excess of the current market value, number of shares held for each class of treasury stock, and other information necessary to a fair presentation.

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