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Treasury Stock	9 Months Ended
Sep. 30, 2011
Treasury Stock [Abstract]
Treasury Stock	Note 8. Treasury Stock In March 2010, the Company announced that its Board of Directors had approved a share repurchase program of its common stock. On October 27, 2011, the Company announced that its Board of Directors voted to renew the previously authorized share repurchase program through December 31, 2012. In addition, the Board authorized a new limit of up to $25.0 million effective October 1, 2011. 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.

Treasury Stock

9 Months Ended

Sep. 30, 2011

Note 8. Treasury Stock

In March 2010, the Company announced that its Board of Directors had approved a share repurchase program of its common stock. On October 27, 2011, the Company announced that its Board of Directors voted to renew the previously authorized share repurchase program through December 31, 2012. In addition, the Board authorized a new limit of up to $25.0 million effective October 1, 2011. 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.