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Earnings Per Share (Narrative) (Details)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Earnings Per Share [Abstract]        
Stock awards excluded, anti-dilutive 7 413 523 345
Stock awards excluded, performance conditions 287 492 411 467