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Stock-Based Compensation (Details Textual) (USD $)
Share data in Thousands, unless otherwise specified
12 Months Ended 12 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Stock options [Member]
Sep. 30, 2012
Stock options [Member]
Sep. 30, 2013
Restricted shares [Member]
Maximum [Member]
Sep. 30, 2013
Restricted shares [Member]
Minimum [Member]
Sep. 30, 2013
2007 Plan [Member]
Sep. 30, 2012
2007 Plan [Member]
Sep. 30, 2013
2007 Plan [Member]
Maximum [Member]
Sep. 30, 2013
2007 Plan [Member]
Minimum [Member]
Sep. 30, 2013
2007 Plan [Member]
Performance shares awarded during fiscal 2012 [Member]
Sep. 30, 2012
2007 Plan [Member]
Performance shares awarded during fiscal 2011 [Member]
Sep. 30, 2010
2007 Plan [Member]
Performance shares awarded during fiscal 2010 [Member]
Stock-Based Compensation (Textual) [Abstract]                          
Stock options may be awarded             355            
Stock options, vesting period     10 years   3 years 1 year 10 years            
Aggregate number of shares that may be awarded             600            
Performance period             3 years            
Ultimate number of common shares that may be earned                   0      
Common shares earned as percentage of initial target number shares awarded                 150.00%        
Compensation expense accrued as percentage of target levels                     100.00% 0.00% 33.00%
Compensation expense related to performance and restricted shares awarded     $ 0 $ 0     $ 280,000 $ 892,000          
Income tax benefits resulting of issuing common shares             18,000 59,000          
Total unrecognized compensation cost related to performance and restricted shares awarded             584,000            
Period of recognized compensation cost             2 years            
Stock Based Compensation (Additional Textual) [Abstract]                          
Options issued under both plans generally vested   25.00%                      
Unrecognized compensation cost related to stock options granted under company plan 0 0                      
Outstanding share awards earned and issued at greater than the target number of shares 150.00%                        
Weighted average remaining term, options outstanding 1 year 8 months 12 days                        
Aggregate intrinsic value, options outstanding $ 15,000