Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Schedule Of Changes In The Number Of Deferred Stock Shares Under The Stock Plan And Incentive Plan) (Details)

v2.4.0.6
Stock-Based Compensation (Schedule Of Changes In The Number Of Deferred Stock Shares Under The Stock Plan And Incentive Plan) (Details) (Deferred Stock [Member], USD $)
6 Months Ended
Jun. 30, 2012
Deferred Stock [Member]
 
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]  
Shares, Outstanding - December 31, 2011 71,849
Shares, Granted 103,698
Shares, Vested   
Shares, Canceled (5,221)
Shares, Outstanding - June 30, 2012 170,326
Weighted Average Grant Date Fair Value, Outstanding - December 31, 2011 $ 15.14
Weighted Average Grant Date Fair Value, Granted $ 13.53
Weighted Average Grant Date Fair Value, Vested   
Weighted Average Grant Date Fair Value, Canceled $ 14.41
Weighted Average Grant Date Fair Value, Outstanding - June 30, 2012 $ 14.17