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Summary Of Significant Accounting Policies (Tables)
12 Months Ended
Sep. 30, 2011
Summary Of Significant Accounting Policies [Abstract] 
Number Of Shares Used In Calculation Of Earnings Per Share
(In thousands) 2011 2010 2009
Weighted Average Shares      
Outstanding Basic 26,588 26,450 26,216
Dilutive Options and Performance-      
Accelerated Restricted Stock 315 288 344
Shares Diluted 26,903 26,738 26,560