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Share-Based Compensation - Stock Option Activity (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended 12 Months Ended
Sep. 30, 2012
Jun. 30, 2012
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]    
Number of stock options, beginning balance 667,235  
Number of stock options, granted 0  
Number of stock options, cancelled/forfeited (122,455)  
Number of stock options, ending balance 544,780 667,235
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]    
Weighted average exercise price, beginning balance $ 12.84  
Weighted average exercise price, granted $ 0.00  
Weighted average exercise price, cancelled/forfeited $ 12.82  
Weighted average exercise price, ending balance $ 12.84 $ 12.84
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]    
Weighted average grant date fair value, beginning balance $ 4.78  
Weighted average grant date fair value, granted $ 0.00  
Weighted average grant date fair value, cancelled/forfeited $ 4.12  
Weighted average grant date fair value, ending balance $ 4.93 $ 4.78
Weighted average remaining life 5 years 4 months 24 days 4 years 9 months 18 days
Aggregate intrinsic value $ 404 $ 143
Options, vested and exercisable, outstanding 206,600  
Options, vested and exercisable, weighted average exercise price $ 16.28  
Options, vested and exercisable, weighted average grant date fair value $ 6.14  
Options, vested and exercisable, weighted average remaining contractual term 4 years 6 months  
Options, vested and expected to vest, outstanding 524,744  
Options, vested and expected to vest, weighted average exercise price $ 12.84  
Options, vested and expected to vest, weighted average grant date fair value $ 4.96  
Options, vested and expected to vest, exercisable, weighted average remaining life 5 years 4 months 24 days  
Options, vested and expected to vest, aggregate intrinsic value $ 367