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Earnings Per Share (Tables)
6 Months Ended
Jun. 30, 2013
Earnings Per Share [Abstract]  
Schedule Of Calculation Of Numerator And Denominator In Earnings Per Share
  Three Months SixMonths
  Ended June 30 Ended June 30
(In Thousands) 2013 2012 2013 2012
Weighted average shares outstanding used        
to compute basic earnings per share 32,187 32,051 32,132 32,031
Incremental dilutive shares attributable to stock        
options and restricted stock 448 50 426 216
Shares used to compute diluted earnings        
per share 32,635 32,101 32,558 32,247