XML 76 R75.htm IDEA: XBRL DOCUMENT v2.4.0.8
Summary of Stock Options Outstanding and Exercisable (Details) (USD $)
12 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2010
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Line Items]        
Options Outstanding Shares 106,050 245,956 345,600 817,400
Weighted Average Remaining Contractual Term option outstanding 6 years 1 month 6 days      
Options Outstanding Weighted Average Exercise Price $ 18.61 $ 13.90 $ 13.82 $ 9.26
Options Outstanding Intrinsic Value $ 6,964,865      
Options Exercisable Shares 78,550      
Weighted Average Remaining Contractual Term Option Exercisable 5 years 10 months 24 days      
Options Exercisable Weighted Average Exercise Price $ 16.43      
Options Exercisable Intrinsic Value 5,329,878      
Range One
       
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Line Items]        
Range of Exercise Prices Minimum $ 6.76      
Range of Exercise Prices Maximum $ 9.99      
Options Outstanding Shares 38,700      
Weighted Average Remaining Contractual Term option outstanding 5 years 2 months 12 days      
Options Outstanding Weighted Average Exercise Price $ 8.78      
Options Outstanding Intrinsic Value 2,922,044      
Options Exercisable Shares 38,700      
Weighted Average Remaining Contractual Term Option Exercisable 5 years 2 months 12 days      
Options Exercisable Weighted Average Exercise Price $ 8.78      
Options Exercisable Intrinsic Value 2,922,044      
Range Two
       
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Line Items]        
Range of Exercise Prices Minimum $ 10.00      
Range of Exercise Prices Maximum $ 26.98      
Options Outstanding Shares 67,350      
Weighted Average Remaining Contractual Term option outstanding 6 years 7 months 6 days      
Options Outstanding Weighted Average Exercise Price $ 24.26      
Options Outstanding Intrinsic Value 4,042,821      
Options Exercisable Shares 39,850      
Weighted Average Remaining Contractual Term Option Exercisable 6 years 7 months 6 days      
Options Exercisable Weighted Average Exercise Price $ 23.86      
Options Exercisable Intrinsic Value $ 2,407,834