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Common Stock Repurchase (Details) - USD ($)
$ in Millions
 1 Months Ended 9 Months Ended
Oct. 31, 2014
Jun. 30, 2015
Oct. 28, 2014
Common Stock Repurchase [Abstract]      
Stock repurchase program, authorized amount     $ 15.0
Shares repurchased 287,787    
Shares repurchased, value $ 2.3    
Shares Forfeited for Withholding Tax Obligations for Share Based Compensation   9,371  
Amount of Shares Forfeited Related to Tax Withholding for Share-based Compensation   $ 0.1