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Stock-Based Compensation Plans (Details 4) | 12 Months Ended
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Sep. 30, 2012
Fiscal 2011 - 2013 [Member] |
Fair value at the date of grant |
Minimum Shares | 13,707
Target Shares | 68,533
Maximum Shares | 137,066
Fiscal 2012 - 2014 [Member] |
Fair value at the date of grant |
Minimum Shares | 12,499
Target Shares | 62,497
Maximum Shares | 124,994

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